Kofeiini (Finnish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Kofeiini" in Finnish language version.

Last modified: 05:30:13, 23 September 2026 (UTC)

Ref.Un. Ref.Website

Global rank Finnish rank

12953doi.org

2^nd place

11^th place

11651nih.gov

5^th place

13^th place

10848worldcat.org

4^th place

9^th place

237wiley.com

150^th place

153^rd place

206web.archive.org

1^st place

1910researchgate.net

96^th place

195^th place

73sciencedirect.com

137^th place

190^th place

53archive.org

6^th place

109^th place

51core.ac.uk

1,383^rd place

934^th place

33bnf.fr

61^st place

722^nd place

32springer.com

182^nd place

316^th place

22ico.org

low place

21thieme-connect.com

low place

21acs.org

865^th place

927^th place

11mdz-nbn-resolving.de

low place

11jstor.org

23^rd place

241^st place

11fimea.fi

low place

357^th place

11bbc.com

26^th place

23^rd place

11diabetesjournals.org

low place

11jamanetwork.com

3,157^th place

1,733^rd place

11tandfonline.com

286^th place

485^th place

11urn.fi

4,639^th place

180^th place

11caffeineinformer.com

low place

11sagepub.com

609^th place

782^nd place

11ruokavirasto.fi

low place

354^th place

acs.org (Global: 865^th place; Finnish: 927^th place)

pubs.acs.org

RM Alonso-Salces et al: Botanical and geographical characterization of green coffee (Coffea arabica and Coffea canephora): chemometric evaluation of phenolic and methylxanthine contents. Journal of Agricultural and Food Chemistry, 2009, 57. vsk, nro 10, s. 4224–4235. doi:10.1021/jf8037117 ISSN 0021-8561 Artikkelin verkkoversio.

archive.org (Global: 6^th place; Finnish: 109^th place)

JS Fruton: Contrasts in scientific style. Emil Fischer and Franz Hofmeister: their research groups and their theory of protein structure. Proceedings of the American Philosophical Society, 1985, 129. vsk, nro 4, s. 313–370. PubMed:11621201 ISSN 0003-049X JSTOR:986934 Artikkelin verkkoversio.
The Merck index, s. 240. (12. painos) Merck, 1996. ISBN 9780911910124 Teoksen verkkoversio.
RC Gupta et al: Reproductive and developmental toxicology, s. 355–364. Academic Press, 2011. doi:10.1016/B978-0-12-382032-7.10027-X ISBN 9780123820327 Teoksen verkkoversio.

bbc.com (Global: 26^th place; Finnish: 23^rd place)

US teen died after drinking caffeine too quickly, coroner says BBC News. 16.5.2017. Viitattu 22.12.2020.

bnf.fr (Global: 61^st place; Finnish: 722^nd place)

gallica.bnf.fr

E Fischer: Ueber das caffeïn. Berichte der deutschen chemischen Gesellschaft, 1881, 14. vsk, nro 1, s. 637–644. doi:10.1002/cber.188101401142 ISSN 1099-0682 Artikkelin verkkoversio.
E Fischer, L Ach: Synthese des caffeïns. Berichte der deutschen chemischen Gesellschaft, 1895, 28. vsk, nro 3, s. 3135–3143. doi:10.1002/cber.189502803156 ISSN 1099-0682 Artikkelin verkkoversio.
E Fischer: Ueber die constitution des caffeïns, xanthins, hypoxanthins und verwandter basen. Berichte der deutschen chemischen Gesellschaft, 1897, 35. vsk, nro 1, s. 549–559. doi:10.1002/cber.189703001110 ISSN 1099-0682 Artikkelin verkkoversio.

caffeineinformer.com (Global: low place; Finnish: low place)

Caffeine (Coffee) Consumption By Country caffeineinformer.com. Arkistoitu 11.8.2020. Viitattu 24.12.2020.

core.ac.uk (Global: 1,383^rd place; Finnish: 934^th place)

C Wang et al: Isolation of eugenyl β-primeveroside from Camellia sasanqua and its anticancer activity in PC3 prostate cancer cells. Journal of Food and Drug Analysis, 2016, 24. vsk, nro 1, s. 105–111. PubMed:28911392 doi:10.1016/j.jfda.2015.06.005 ISSN 1021-9498 Artikkelin verkkoversio.

diabetesjournals.org (Global: low place; Finnish: low place)

care.diabetesjournals.org

M Ding et al: Caffeinated and decaffeinated coffee consumption and risk of type 2 diabetes: a systematic review and a dose-Response meta-analysis. Diabetes Care, 2014, 37. vsk, nro 2, s. 569–586. PubMed:24459154 doi:10.2337/dc13-1203 ISSN 0149-5992 Artikkelin verkkoversio.

doi.org (Global: 2^nd place; Finnish: 11^th place)

dx.doi.org

EV Agafonova, YV Moshchenskii, ML Tkachenko: Determining the main thermodynamic parameters of caffeine melting by means of DSC. Russian Journal of Physical Chemistry A, 2012, 86. vsk, nro 6, s. 1035–1037. doi:10.1134/S0036024412060027 ISSN 1531-863X Artikkelin verkkoversio.
JR Vanderveen et al: Characterizing the effects of a "switchable water" additive on the aqueous solubility of small molecules. Chemphyschem, 2018, 19. vsk, nro 16, s. 2093–2100. PubMed:29451332 doi:10.1002/cphc.201701303 ISSN 1439-7641 Artikkelin verkkoversio.^{[vanhentunut linkki]}
C Willson: The clinical toxicology of caffeine: a review and case study. Toxicology Reports, 2018, 5. vsk, s. 1140–1152. PubMed:30505695 doi:10.1016/j.toxrep.2018.11.002 ISSN 2214-7500 Artikkelin verkkoversio.
SG Alsabri et al: Kinetic and dynamic description of caffeine. Journal of Caffeine and Adenosine Research, 2018, 8. vsk, nro 1, s. 3–9. doi:10.1089/caff.2017.0011 ISSN 2573-3397 Artikkelin verkkoversio.
Scientific opinion on the safety of caffeine. EFSA Journal, 2015, 13. vsk, nro 5. doi:10.2903/j.efsa.2015.4102 ISSN 1831-4732 Artikkelin verkkoversio. (Arkistoitu – Internet Archive)
T. Porkka-Heiskanen, R. E. Strecker, R. W. McCarley: Brain site-specificity of extracellular adenosine concentration changes during sleep deprivation and spontaneous sleep: an in vivo microdialysis study. Neuroscience, 2000, 99. vsk, nro 3, s. 507–517. PubMed:11029542 doi:10.1016/s0306-4522(00)00220-7 ISSN 0306-4522 Artikkelin verkkoversio.
CJ Watson, HA Baghdoyan, R Lydic: Neuropharmacology of sleep and wakefulness. Sleep medicine clinics, 2010, 5. vsk, nro 4, s. 513–528. PubMed:21278831 doi:10.1016/j.jsmc.2010.08.003 ISSN 1556-407X Artikkelin verkkoversio.
S Ferré et al: New developments on the adenosine mechanisms of the central effects of caffeine and their implications for neuropsychiatric disorders. Journal of Caffeine and Adenosine Research, 2018, 8. vsk, nro 4, s. 121–130. PubMed:30596206 doi:10.1089/caff.2018.0017 ISSN 2573-3397 Artikkelin verkkoversio.
D Wikoff et al: Systematic review of the potential adverse effects of caffeine consumption in healthy adults, pregnant women, adolescents, and children. Food and Chemical Toxicology, 2017, 109. vsk, nro Pt 1, s. 585–648. PubMed:28438661 doi:10.1016/j.fct.2017.04.002 ISSN 1873-6351 Artikkelin verkkoversio.
CT Hong, L Chan, C Bai: The effect of caffeine on the risk and progression of Parkinson’s disease: a meta-analysis. Nutrients, 2020, 12. vsk, nro 6. PubMed:32580456 doi:10.3390/nu12061860 ISSN 2072-6643 Artikkelin verkkoversio.
H Qi, S Li: Dose-response meta-analysis on coffee, tea and caffeine consumption with risk of Parkinson's disease. Geriatrics & Gerontology International, 2014, 14. vsk, nro 2, s. 430–439. PubMed:23879665 doi:10.1111/ggi.12123 ISSN 1447-0594 Artikkelin verkkoversio.
J Costa et al: Caffeine exposure and the risk of Parkinson's disease: a systematic review and meta-analysis of observational studies. Journal of Alzheimer's disease, 2010, 20. vsk, nro Suppl 1, s. S221–238. PubMed:20182023 doi:10.3233/JAD-2010-091525 ISSN 1875-8908 Artikkelin verkkoversio.
P Mazzafera et al: Decaf and the steeplechase towards decaffito - the coffee from caffeine-free arabica plants. Tropical Plant Biology, 2009, 2. vsk, nro 2, s. 63–76. doi:10.1007/s12042-009-9032-7 ISSN 1935-9756 Artikkelin verkkoversio.
Caballero, Caffeine: characterization and properties, s. 556-572
PB Dews: ”Products of metabolism of caffeine”, Caffeine, s. 3–38. Springer Berlin Heidelberg, 1984. doi:10.1007/978-3-642-69823-1_1 ISBN 9783642698231 Teoksen verkkoversio.
CH Pfaff, J Liebig: Ueber die zusammensetzung des caffeins. Annalen der Pharmacie, 1832, 1. vsk, nro 1, s. 17–20. doi:10.1002/jlac.18320010104 ISSN 1099-0690 Artikkelin verkkoversio.^{[vanhentunut linkki]}
L Medicus: Zur constitution der harnsäuregruppe. Justus Liebigs Annalen der Chemie, 1875, 175. vsk, nro 1-2, s. 230–251. doi:10.1002/jlac.18751750116 ISSN 1099-0690 Artikkelin verkkoversio.^{[vanhentunut linkki]}
E Fischer: Ueber das caffeïn. Berichte der deutschen chemischen Gesellschaft, 1881, 14. vsk, nro 1, s. 637–644. doi:10.1002/cber.188101401142 ISSN 1099-0682 Artikkelin verkkoversio.
E Fischer, L Ach: Synthese des caffeïns. Berichte der deutschen chemischen Gesellschaft, 1895, 28. vsk, nro 3, s. 3135–3143. doi:10.1002/cber.189502803156 ISSN 1099-0682 Artikkelin verkkoversio.
E Fischer: Ueber die constitution des caffeïns, xanthins, hypoxanthins und verwandter basen. Berichte der deutschen chemischen Gesellschaft, 1897, 35. vsk, nro 1, s. 549–559. doi:10.1002/cber.189703001110 ISSN 1099-0682 Artikkelin verkkoversio.
BB Fredholm: On the mechanism of action of theophylline and caffeine. Acta Medica Scandinavica, 1985, 217. vsk, nro 2, s. 149–153. PubMed:2986418 doi:10.1111/j.0954-6820.1985.tb01650.x ISSN 0001-6101 Artikkelin verkkoversio.
H Bothe, HK Cammenga: Composition, properties, stability and thermal dehydration of crystalline caffeine hydrate. Thermochimica Acta, 1980, 40. vsk, nro 1, s. 29–39. doi:10.1016/0040-6031(80)87173-5 ISSN 0040-6031 Artikkelin verkkoversio.
HH Lenz: ”Purine derivatives”, Ullmann's encyclopedia of industrial chemistry, s. 541–546. Wiley‐VCH, 2000. doi:10.1002/14356007.a22_383 ISBN 9783527306732
A.S. Franca: Coffee: decaffeination. Encyclopedia of Food and Health, 2016, s. 232-236. doi:10.1016/B978-0-12-384947-2.00183-5
CJ Derry, S Derry, RA Moore: Caffeine as an analgesic adjuvant for acute pain in adults. The Cochrane Database of Systematic Reviews, 2014, 12. vsk. PubMed:25502052 doi:10.1002/14651858.CD009281.pub3 ISSN 1469-493X Artikkelin verkkoversio.
M Aguilar-Navarro et al: Urine caffeine concentration in doping control samples from 2004 to 2015. Nutrients, 2019, 11. vsk, nro 2. PubMed:30699902 doi:10.3390/nu11020286 ISSN 2072-6643 Artikkelin verkkoversio.
N Chester, N Wojek: Caffeine consumption amongst British athletes following changes to the 2004 WADA prohibited list. International Journal of Sports Medicine, 2008, 29. vsk, nro 6, s. 524–528. PubMed:18027309 doi:10.1055/s-2007-989231 ISSN 0172-4622 Artikkelin verkkoversio.
JM Chin et al: Caffeine content of brewed teas. Journal of Analytical Toxicology, 2008, 32. vsk, nro 8, s. 702–704. PubMed:19007524 doi:10.1093/jat/32.8.702 ISSN 0146-4760 Artikkelin verkkoversio.
H Ashihara, M Kato, A Crozier: Distribution, biosynthesis and catabolism of methylxanthines in plants. Handbook of Experimental Pharmacology, 2011, 200. vsk, s. 11–31. PubMed:20859792 doi:10.1007/978-3-642-13443-2_2 ISSN 0171-2004 Artikkelin verkkoversio.
R Gan et al: Health benefits of bioactive compounds from the genus Ilex, a source of traditional caffeinated beverages. Nutrients, 2018, 10. vsk, nro 11. PubMed:30400635 doi:10.3390/nu10111682 ISSN 2072-6643 Artikkelin verkkoversio.
C Wang et al: Isolation of eugenyl β-primeveroside from Camellia sasanqua and its anticancer activity in PC3 prostate cancer cells. Journal of Food and Drug Analysis, 2016, 24. vsk, nro 1, s. 105–111. PubMed:28911392 doi:10.1016/j.jfda.2015.06.005 ISSN 1021-9498 Artikkelin verkkoversio.
RM Alonso-Salces et al: Botanical and geographical characterization of green coffee (Coffea arabica and Coffea canephora): chemometric evaluation of phenolic and methylxanthine contents. Journal of Agricultural and Food Chemistry, 2009, 57. vsk, nro 10, s. 4224–4235. doi:10.1021/jf8037117 ISSN 0021-8561 Artikkelin verkkoversio.
P Mazzafera, A Carvalho: Breeding for low seed caffeine content of coffee (Coffea L.) by interspecific hybridization. Euphytica, 1991, 59. vsk, nro 1, s. 55–60. doi:10.1007/BF00025361 ISSN 1573-5060 Artikkelin verkkoversio.
N Niemenak et al: Purine alkaloids and phenolic compounds in three Cola species and Garcinia kola grown in Cameroon. South African Journal of Botany, 2008, 74. vsk, nro 4, s. 629–638. doi:10.1016/j.sajb.2008.03.003 Artikkelin verkkoversio.
G Wise, DE Santander: Comparative composition analysis of the dried leaves of Ilex guayusa (loes.). Journal of Food and Nutrition Research, 2018, 6. vsk, nro 10, s. 638–644. doi:10.12691/jfnr-6-10-4 ISSN 2333-1119 Artikkelin verkkoversio.
LS Bittencourt et al: Guarana (Paullinia cupana Mart.) prevents β‐amyloid aggregation, generation of advanced glycation‐end products (AGEs), and acrolein‐induced cytotoxicity on human neuronal‐like cells. Phytotherapy Research, 2014, 28. vsk, nro 11, s. 1615–1624. PubMed:24840232 doi:10.1002/ptr.5173 Artikkelin verkkoversio.
SE Meredith et al: Caffeine use disorder: a comprehensive review and research agenda. Journal of Caffeine Research, 2013, 3. vsk, nro 3, s. 114–130. PubMed:24761279 doi:10.1089/jcr.2013.0016 ISSN 2156-5783 Artikkelin verkkoversio.
RH Adamson: The acute lethal dose 50 (LD50) of caffeine in albino rats. Regulatory Toxicology and Pharmacology, 2016, 80. vsk, s. 274–276. doi:10.1016/j.yrtph.2016.07.011 Artikkelin verkkoversio.
JM Peters: Factors affecting caffeine toxicity: a review of the literature. The Journal of Clinical Pharmacology and The Journal of New Drugs, 1967, 3. vsk, nro 3, s. 131–141. doi:10.1002/j.1552-4604.1967.tb00034.x ISSN 1552-4604 Artikkelin verkkoversio. (Arkistoitu – Internet Archive)
D Loomis et al: Carcinogenicity of drinking coffee, mate, and very hot beverages. The Lancet. Oncology, 2016, 17. vsk, nro 7, s. 877–878. PubMed:27318851 doi:10.1016/S1470-2045(16)30239-X ISSN 1474-5488 Artikkelin verkkoversio.
C Doepker et al: Key findings and implications of a recent systematic review of the potential adverse effects of caffeine consumption in healthy adults, pregnant women, adolescents, and children. Nutrients, 2018, 10. vsk, nro 10. PubMed:30340340 doi:10.3390/nu10101536 ISSN 2072-6643 Artikkelin verkkoversio.
H Shen et al: Association between caffeine consumption and nonalcoholic fatty liver disease: a systemic review and meta-analysis. Therapeutic Advances in Gastroenterology, 2016, 9. vsk, nro 1, s. 113–120. PubMed:26770272 doi:10.1177/1756283X15593700 ISSN 1756-283X Artikkelin verkkoversio.
M Ding et al: Caffeinated and decaffeinated coffee consumption and risk of type 2 diabetes: a systematic review and a dose-Response meta-analysis. Diabetes Care, 2014, 37. vsk, nro 2, s. 569–586. PubMed:24459154 doi:10.2337/dc13-1203 ISSN 0149-5992 Artikkelin verkkoversio.
A Voskoboinik, JM Kalman, PM Kistler: Caffeine and arrhythmias: time to grind the data. JACC: Clinical electrophysiology, 2018, 4. vsk, nro 4, s. 425–432. PubMed:30067480 doi:10.1016/j.jacep.2018.01.012 ISSN 2405-5018 Artikkelin verkkoversio.
E Kim et al: Coffee consumption and incident tachyarrhythmias: reported behavior, mendelian randomization, and their interactions. JAMA internal medicine, 2021. PubMed:34279564 doi:10.1001/jamainternmed.2021.3616 ISSN 2168-6114 Artikkelin verkkoversio.
K Pham et al: High coffee consumption, brain volume and risk of dementia and stroke. Nutritional Neuroscience, 2021, s. 1–12. PubMed:34165394 doi:10.1080/1028415X.2021.1945858 ISSN 1476-8305 Artikkelin verkkoversio.
MM Sweeney et al: Prevalence and correlates of caffeine use disorder symptoms among a United States sample. Journal of Caffeine and Adenosine Research, 2020, 10. vsk, nro 1, s. 4–11. PubMed:32181442 doi:10.1089/caff.2019.0020 ISSN 2573-3397 Artikkelin verkkoversio.
ND Volkow et al: Caffeine increases striatal dopamine D2/D3 receptor availability in the human brain. Translational Psychiatry, 2015, 5. vsk, nro 4, s. e549. PubMed:25871974 doi:10.1038/tp.2015.46 ISSN 2158-3188 Artikkelin verkkoversio.
RA Fenton et al: Caffeine-induced diuresis and natriuresis is independent of renal tubular NHE3. American Journal of Physiology - Renal Physiology, 2015, 308. vsk, nro 12, s. F1409–F1420. PubMed:25925253 doi:10.1152/ajprenal.00129.2015 ISSN 1931-857X Artikkelin verkkoversio.
RC Gupta et al: Reproductive and developmental toxicology, s. 355–364. Academic Press, 2011. doi:10.1016/B978-0-12-382032-7.10027-X ISBN 9780123820327 Teoksen verkkoversio.
ME Rybak et al: Urine excretion of caffeine and select caffeine metabolites is common in the US population and associated with caffeine intake. The Journal of nutrition, 2015, 145. vsk, nro 4, s. 766–774. PubMed:25833779 doi:10.3945/jn.114.205476 ISSN 0022-3166 Artikkelin verkkoversio.
J Hukkanen et al: Effect of nicotine on cytochrome P450 1A2 activity. British Journal of Clinical Pharmacology, 2011, 72. vsk, nro 5, s. 836–838. PubMed:21599724 doi:10.1111/j.1365-2125.2011.04023.x ISSN 0306-5251 Artikkelin verkkoversio.
F Nakayama, K Mizuno, M Kato: Biosynthesis of caffeine underlying the diversity of motif B’ methyltransferase. Natural Product Communications, 2015, 10. vsk, nro 5, s. 799-801. PubMed:26058161 doi:10.1177/1934578X1501000524 ISSN 1934-578X Artikkelin verkkoversio.

fimea.fi (Global: low place; Finnish: 357^th place)

spc.fimea.fi

Ihmisille tarkoitettujen lääkevalmisteiden valmisteyhteenvedot ATC-koodin perusteella: N06BC01 Fimea.

ico.org (Global: low place; Finnish: low place)

Total production by all exporting countries International Coffee Organization. Viitattu 24.12.2020.
Disappearance (consumption) in selected importing countries International Coffee Organization. Viitattu 24.12.2020.

jamanetwork.com (Global: 3,157^th place; Finnish: 1,733^rd place)

E Kim et al: Coffee consumption and incident tachyarrhythmias: reported behavior, mendelian randomization, and their interactions. JAMA internal medicine, 2021. PubMed:34279564 doi:10.1001/jamainternmed.2021.3616 ISSN 2168-6114 Artikkelin verkkoversio.

jstor.org (Global: 23^rd place; Finnish: 241^st place)

JS Fruton: Contrasts in scientific style. Emil Fischer and Franz Hofmeister: their research groups and their theory of protein structure. Proceedings of the American Philosophical Society, 1985, 129. vsk, nro 4, s. 313–370. PubMed:11621201 ISSN 0003-049X JSTOR:986934 Artikkelin verkkoversio.

mdz-nbn-resolving.de (Global: low place; Finnish: low place)

FF Runge: Neueste phytochemische entdeckungen zur begründung einer wissenschaftlichen phytochemie, s. 96 & 159. G. Reimer, 1820. Teoksen verkkoversio.

nih.gov (Global: 5^th place; Finnish: 13^th place)

pubmed.ncbi.nlm.nih.gov

JR Vanderveen et al: Characterizing the effects of a "switchable water" additive on the aqueous solubility of small molecules. Chemphyschem, 2018, 19. vsk, nro 16, s. 2093–2100. PubMed:29451332 doi:10.1002/cphc.201701303 ISSN 1439-7641 Artikkelin verkkoversio.^{[vanhentunut linkki]}
C Willson: The clinical toxicology of caffeine: a review and case study. Toxicology Reports, 2018, 5. vsk, s. 1140–1152. PubMed:30505695 doi:10.1016/j.toxrep.2018.11.002 ISSN 2214-7500 Artikkelin verkkoversio.
T. Porkka-Heiskanen, R. E. Strecker, R. W. McCarley: Brain site-specificity of extracellular adenosine concentration changes during sleep deprivation and spontaneous sleep: an in vivo microdialysis study. Neuroscience, 2000, 99. vsk, nro 3, s. 507–517. PubMed:11029542 doi:10.1016/s0306-4522(00)00220-7 ISSN 0306-4522 Artikkelin verkkoversio.
CJ Watson, HA Baghdoyan, R Lydic: Neuropharmacology of sleep and wakefulness. Sleep medicine clinics, 2010, 5. vsk, nro 4, s. 513–528. PubMed:21278831 doi:10.1016/j.jsmc.2010.08.003 ISSN 1556-407X Artikkelin verkkoversio.
S Ferré et al: New developments on the adenosine mechanisms of the central effects of caffeine and their implications for neuropsychiatric disorders. Journal of Caffeine and Adenosine Research, 2018, 8. vsk, nro 4, s. 121–130. PubMed:30596206 doi:10.1089/caff.2018.0017 ISSN 2573-3397 Artikkelin verkkoversio.
D Wikoff et al: Systematic review of the potential adverse effects of caffeine consumption in healthy adults, pregnant women, adolescents, and children. Food and Chemical Toxicology, 2017, 109. vsk, nro Pt 1, s. 585–648. PubMed:28438661 doi:10.1016/j.fct.2017.04.002 ISSN 1873-6351 Artikkelin verkkoversio.
CT Hong, L Chan, C Bai: The effect of caffeine on the risk and progression of Parkinson’s disease: a meta-analysis. Nutrients, 2020, 12. vsk, nro 6. PubMed:32580456 doi:10.3390/nu12061860 ISSN 2072-6643 Artikkelin verkkoversio.
H Qi, S Li: Dose-response meta-analysis on coffee, tea and caffeine consumption with risk of Parkinson's disease. Geriatrics & Gerontology International, 2014, 14. vsk, nro 2, s. 430–439. PubMed:23879665 doi:10.1111/ggi.12123 ISSN 1447-0594 Artikkelin verkkoversio.
J Costa et al: Caffeine exposure and the risk of Parkinson's disease: a systematic review and meta-analysis of observational studies. Journal of Alzheimer's disease, 2010, 20. vsk, nro Suppl 1, s. S221–238. PubMed:20182023 doi:10.3233/JAD-2010-091525 ISSN 1875-8908 Artikkelin verkkoversio.
JS Fruton: Contrasts in scientific style. Emil Fischer and Franz Hofmeister: their research groups and their theory of protein structure. Proceedings of the American Philosophical Society, 1985, 129. vsk, nro 4, s. 313–370. PubMed:11621201 ISSN 0003-049X JSTOR:986934 Artikkelin verkkoversio.
BB Fredholm et al: VI. Nomenclature and classification of purinoceptors. Pharmacological reviews, 1994, 46. vsk, nro 2, s. 143–156. PubMed:7938164 ISSN 0031-6997 Artikkelin verkkoversio.
BB Fredholm: On the mechanism of action of theophylline and caffeine. Acta Medica Scandinavica, 1985, 217. vsk, nro 2, s. 149–153. PubMed:2986418 doi:10.1111/j.0954-6820.1985.tb01650.x ISSN 0001-6101 Artikkelin verkkoversio.
CJ Derry, S Derry, RA Moore: Caffeine as an analgesic adjuvant for acute pain in adults. The Cochrane Database of Systematic Reviews, 2014, 12. vsk. PubMed:25502052 doi:10.1002/14651858.CD009281.pub3 ISSN 1469-493X Artikkelin verkkoversio.
M Aguilar-Navarro et al: Urine caffeine concentration in doping control samples from 2004 to 2015. Nutrients, 2019, 11. vsk, nro 2. PubMed:30699902 doi:10.3390/nu11020286 ISSN 2072-6643 Artikkelin verkkoversio.
N Chester, N Wojek: Caffeine consumption amongst British athletes following changes to the 2004 WADA prohibited list. International Journal of Sports Medicine, 2008, 29. vsk, nro 6, s. 524–528. PubMed:18027309 doi:10.1055/s-2007-989231 ISSN 0172-4622 Artikkelin verkkoversio.
JM Chin et al: Caffeine content of brewed teas. Journal of Analytical Toxicology, 2008, 32. vsk, nro 8, s. 702–704. PubMed:19007524 doi:10.1093/jat/32.8.702 ISSN 0146-4760 Artikkelin verkkoversio.
H Ashihara, M Kato, A Crozier: Distribution, biosynthesis and catabolism of methylxanthines in plants. Handbook of Experimental Pharmacology, 2011, 200. vsk, s. 11–31. PubMed:20859792 doi:10.1007/978-3-642-13443-2_2 ISSN 0171-2004 Artikkelin verkkoversio.
R Gan et al: Health benefits of bioactive compounds from the genus Ilex, a source of traditional caffeinated beverages. Nutrients, 2018, 10. vsk, nro 11. PubMed:30400635 doi:10.3390/nu10111682 ISSN 2072-6643 Artikkelin verkkoversio.
C Wang et al: Isolation of eugenyl β-primeveroside from Camellia sasanqua and its anticancer activity in PC3 prostate cancer cells. Journal of Food and Drug Analysis, 2016, 24. vsk, nro 1, s. 105–111. PubMed:28911392 doi:10.1016/j.jfda.2015.06.005 ISSN 1021-9498 Artikkelin verkkoversio.
LS Bittencourt et al: Guarana (Paullinia cupana Mart.) prevents β‐amyloid aggregation, generation of advanced glycation‐end products (AGEs), and acrolein‐induced cytotoxicity on human neuronal‐like cells. Phytotherapy Research, 2014, 28. vsk, nro 11, s. 1615–1624. PubMed:24840232 doi:10.1002/ptr.5173 Artikkelin verkkoversio.
SE Meredith et al: Caffeine use disorder: a comprehensive review and research agenda. Journal of Caffeine Research, 2013, 3. vsk, nro 3, s. 114–130. PubMed:24761279 doi:10.1089/jcr.2013.0016 ISSN 2156-5783 Artikkelin verkkoversio.
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C Doepker et al: Key findings and implications of a recent systematic review of the potential adverse effects of caffeine consumption in healthy adults, pregnant women, adolescents, and children. Nutrients, 2018, 10. vsk, nro 10. PubMed:30340340 doi:10.3390/nu10101536 ISSN 2072-6643 Artikkelin verkkoversio.
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MM Sweeney et al: Prevalence and correlates of caffeine use disorder symptoms among a United States sample. Journal of Caffeine and Adenosine Research, 2020, 10. vsk, nro 1, s. 4–11. PubMed:32181442 doi:10.1089/caff.2019.0020 ISSN 2573-3397 Artikkelin verkkoversio.
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ncbi.nlm.nih.gov

C Willson: The clinical toxicology of caffeine: a review and case study. Toxicology Reports, 2018, 5. vsk, s. 1140–1152. PubMed:30505695 doi:10.1016/j.toxrep.2018.11.002 ISSN 2214-7500 Artikkelin verkkoversio.
CJ Watson, HA Baghdoyan, R Lydic: Neuropharmacology of sleep and wakefulness. Sleep medicine clinics, 2010, 5. vsk, nro 4, s. 513–528. PubMed:21278831 doi:10.1016/j.jsmc.2010.08.003 ISSN 1556-407X Artikkelin verkkoversio.
S Ferré et al: New developments on the adenosine mechanisms of the central effects of caffeine and their implications for neuropsychiatric disorders. Journal of Caffeine and Adenosine Research, 2018, 8. vsk, nro 4, s. 121–130. PubMed:30596206 doi:10.1089/caff.2018.0017 ISSN 2573-3397 Artikkelin verkkoversio.
CT Hong, L Chan, C Bai: The effect of caffeine on the risk and progression of Parkinson’s disease: a meta-analysis. Nutrients, 2020, 12. vsk, nro 6. PubMed:32580456 doi:10.3390/nu12061860 ISSN 2072-6643 Artikkelin verkkoversio.
BB Fredholm et al: VI. Nomenclature and classification of purinoceptors. Pharmacological reviews, 1994, 46. vsk, nro 2, s. 143–156. PubMed:7938164 ISSN 0031-6997 Artikkelin verkkoversio.
CJ Derry, S Derry, RA Moore: Caffeine as an analgesic adjuvant for acute pain in adults. The Cochrane Database of Systematic Reviews, 2014, 12. vsk. PubMed:25502052 doi:10.1002/14651858.CD009281.pub3 ISSN 1469-493X Artikkelin verkkoversio.
M Aguilar-Navarro et al: Urine caffeine concentration in doping control samples from 2004 to 2015. Nutrients, 2019, 11. vsk, nro 2. PubMed:30699902 doi:10.3390/nu11020286 ISSN 2072-6643 Artikkelin verkkoversio.
R Gan et al: Health benefits of bioactive compounds from the genus Ilex, a source of traditional caffeinated beverages. Nutrients, 2018, 10. vsk, nro 11. PubMed:30400635 doi:10.3390/nu10111682 ISSN 2072-6643 Artikkelin verkkoversio.
SE Meredith et al: Caffeine use disorder: a comprehensive review and research agenda. Journal of Caffeine Research, 2013, 3. vsk, nro 3, s. 114–130. PubMed:24761279 doi:10.1089/jcr.2013.0016 ISSN 2156-5783 Artikkelin verkkoversio.
PMID 15447891
C Doepker et al: Key findings and implications of a recent systematic review of the potential adverse effects of caffeine consumption in healthy adults, pregnant women, adolescents, and children. Nutrients, 2018, 10. vsk, nro 10. PubMed:30340340 doi:10.3390/nu10101536 ISSN 2072-6643 Artikkelin verkkoversio.
H Shen et al: Association between caffeine consumption and nonalcoholic fatty liver disease: a systemic review and meta-analysis. Therapeutic Advances in Gastroenterology, 2016, 9. vsk, nro 1, s. 113–120. PubMed:26770272 doi:10.1177/1756283X15593700 ISSN 1756-283X Artikkelin verkkoversio.
MM Sweeney et al: Prevalence and correlates of caffeine use disorder symptoms among a United States sample. Journal of Caffeine and Adenosine Research, 2020, 10. vsk, nro 1, s. 4–11. PubMed:32181442 doi:10.1089/caff.2019.0020 ISSN 2573-3397 Artikkelin verkkoversio.
ND Volkow et al: Caffeine increases striatal dopamine D2/D3 receptor availability in the human brain. Translational Psychiatry, 2015, 5. vsk, nro 4, s. e549. PubMed:25871974 doi:10.1038/tp.2015.46 ISSN 2158-3188 Artikkelin verkkoversio.
RA Fenton et al: Caffeine-induced diuresis and natriuresis is independent of renal tubular NHE3. American Journal of Physiology - Renal Physiology, 2015, 308. vsk, nro 12, s. F1409–F1420. PubMed:25925253 doi:10.1152/ajprenal.00129.2015 ISSN 1931-857X Artikkelin verkkoversio.
ME Rybak et al: Urine excretion of caffeine and select caffeine metabolites is common in the US population and associated with caffeine intake. The Journal of nutrition, 2015, 145. vsk, nro 4, s. 766–774. PubMed:25833779 doi:10.3945/jn.114.205476 ISSN 0022-3166 Artikkelin verkkoversio.
J Hukkanen et al: Effect of nicotine on cytochrome P450 1A2 activity. British Journal of Clinical Pharmacology, 2011, 72. vsk, nro 5, s. 836–838. PubMed:21599724 doi:10.1111/j.1365-2125.2011.04023.x ISSN 0306-5251 Artikkelin verkkoversio.

researchgate.net (Global: 96^th place; Finnish: 195^th place)

SG Alsabri et al: Kinetic and dynamic description of caffeine. Journal of Caffeine and Adenosine Research, 2018, 8. vsk, nro 1, s. 3–9. doi:10.1089/caff.2017.0011 ISSN 2573-3397 Artikkelin verkkoversio.
J Costa et al: Caffeine exposure and the risk of Parkinson's disease: a systematic review and meta-analysis of observational studies. Journal of Alzheimer's disease, 2010, 20. vsk, nro Suppl 1, s. S221–238. PubMed:20182023 doi:10.3233/JAD-2010-091525 ISSN 1875-8908 Artikkelin verkkoversio.
P Mazzafera et al: Decaf and the steeplechase towards decaffito - the coffee from caffeine-free arabica plants. Tropical Plant Biology, 2009, 2. vsk, nro 2, s. 63–76. doi:10.1007/s12042-009-9032-7 ISSN 1935-9756 Artikkelin verkkoversio.
PB Dews: ”Products of metabolism of caffeine”, Caffeine, s. 3–38. Springer Berlin Heidelberg, 1984. doi:10.1007/978-3-642-69823-1_1 ISBN 9783642698231 Teoksen verkkoversio.
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H Ashihara, M Kato, A Crozier: Distribution, biosynthesis and catabolism of methylxanthines in plants. Handbook of Experimental Pharmacology, 2011, 200. vsk, s. 11–31. PubMed:20859792 doi:10.1007/978-3-642-13443-2_2 ISSN 0171-2004 Artikkelin verkkoversio.
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ruokavirasto.fi (Global: low place; Finnish: 354^th place)

Kofeiinia sisältävien elintarvikkeiden varoitus- ja käyttöohjemerkinnät ruokavirasto.fi. Arkistoitu 27.5.2022. Viitattu 24.12.2020.

sagepub.com (Global: 609^th place; Finnish: 782^nd place)

journals.sagepub.com

F Nakayama, K Mizuno, M Kato: Biosynthesis of caffeine underlying the diversity of motif B’ methyltransferase. Natural Product Communications, 2015, 10. vsk, nro 5, s. 799-801. PubMed:26058161 doi:10.1177/1934578X1501000524 ISSN 1934-578X Artikkelin verkkoversio.

sciencedirect.com (Global: 137^th place; Finnish: 190^th place)

D Wikoff et al: Systematic review of the potential adverse effects of caffeine consumption in healthy adults, pregnant women, adolescents, and children. Food and Chemical Toxicology, 2017, 109. vsk, nro Pt 1, s. 585–648. PubMed:28438661 doi:10.1016/j.fct.2017.04.002 ISSN 1873-6351 Artikkelin verkkoversio.
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A Voskoboinik, JM Kalman, PM Kistler: Caffeine and arrhythmias: time to grind the data. JACC: Clinical electrophysiology, 2018, 4. vsk, nro 4, s. 425–432. PubMed:30067480 doi:10.1016/j.jacep.2018.01.012 ISSN 2405-5018 Artikkelin verkkoversio.

springer.com (Global: 182^nd place; Finnish: 316^th place)

link.springer.com

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tandfonline.com (Global: 286^th place; Finnish: 485^th place)

K Pham et al: High coffee consumption, brain volume and risk of dementia and stroke. Nutritional Neuroscience, 2021, s. 1–12. PubMed:34165394 doi:10.1080/1028415X.2021.1945858 ISSN 1476-8305 Artikkelin verkkoversio.

thieme-connect.com (Global: low place; Finnish: low place)

N Chester, N Wojek: Caffeine consumption amongst British athletes following changes to the 2004 WADA prohibited list. International Journal of Sports Medicine, 2008, 29. vsk, nro 6, s. 524–528. PubMed:18027309 doi:10.1055/s-2007-989231 ISSN 0172-4622 Artikkelin verkkoversio.

urn.fi (Global: 4,639^th place; Finnish: 180^th place)

L Valsta et al: Ravitsemus Suomessa - FinRavinto 2017 -tutkimus, s. 53. Terveyden ja hyvinvoinnin laitos, 2018. ISBN 9789523432383 Teoksen verkkoversio.

web.archive.org (Global: 1^st place; Finnish: 1^st place)

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Caffeine web.archive.org. 24.11.2007. Viitattu 26.1.2024.
H Kragh, MM Bak: Christoph. H. Pfaff and the controversy over voltaic electricity. Bulletin for the History of Chemistry, 2000, 25. vsk, nro 2, s. 83–90. ISSN 1053-4385 Artikkelin verkkoversio.
JM Peters: Factors affecting caffeine toxicity: a review of the literature. The Journal of Clinical Pharmacology and The Journal of New Drugs, 1967, 3. vsk, nro 3, s. 131–141. doi:10.1002/j.1552-4604.1967.tb00034.x ISSN 1552-4604 Artikkelin verkkoversio. (Arkistoitu – Internet Archive)
Caffeine (Coffee) Consumption By Country caffeineinformer.com. Arkistoitu 11.8.2020. Viitattu 24.12.2020.
Kofeiinia sisältävien elintarvikkeiden varoitus- ja käyttöohjemerkinnät ruokavirasto.fi. Arkistoitu 27.5.2022. Viitattu 24.12.2020.

wiley.com (Global: 150^th place; Finnish: 153^rd place)

chemistry-europe.onlinelibrary.wiley.com

JR Vanderveen et al: Characterizing the effects of a "switchable water" additive on the aqueous solubility of small molecules. Chemphyschem, 2018, 19. vsk, nro 16, s. 2093–2100. PubMed:29451332 doi:10.1002/cphc.201701303 ISSN 1439-7641 Artikkelin verkkoversio.^{[vanhentunut linkki]}
CH Pfaff, J Liebig: Ueber die zusammensetzung des caffeins. Annalen der Pharmacie, 1832, 1. vsk, nro 1, s. 17–20. doi:10.1002/jlac.18320010104 ISSN 1099-0690 Artikkelin verkkoversio.^{[vanhentunut linkki]}
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onlinelibrary.wiley.com

H Qi, S Li: Dose-response meta-analysis on coffee, tea and caffeine consumption with risk of Parkinson's disease. Geriatrics & Gerontology International, 2014, 14. vsk, nro 2, s. 430–439. PubMed:23879665 doi:10.1111/ggi.12123 ISSN 1447-0594 Artikkelin verkkoversio.
LS Bittencourt et al: Guarana (Paullinia cupana Mart.) prevents β‐amyloid aggregation, generation of advanced glycation‐end products (AGEs), and acrolein‐induced cytotoxicity on human neuronal‐like cells. Phytotherapy Research, 2014, 28. vsk, nro 11, s. 1615–1624. PubMed:24840232 doi:10.1002/ptr.5173 Artikkelin verkkoversio.

efsa.onlinelibrary.wiley.com

Scientific opinion on the safety of caffeine. EFSA Journal, 2015, 13. vsk, nro 5. doi:10.2903/j.efsa.2015.4102 ISSN 1831-4732 Artikkelin verkkoversio. (Arkistoitu – Internet Archive)

accp1.onlinelibrary.wiley.com

JM Peters: Factors affecting caffeine toxicity: a review of the literature. The Journal of Clinical Pharmacology and The Journal of New Drugs, 1967, 3. vsk, nro 3, s. 131–141. doi:10.1002/j.1552-4604.1967.tb00034.x ISSN 1552-4604 Artikkelin verkkoversio. (Arkistoitu – Internet Archive)

worldcat.org (Global: 4^th place; Finnish: 9^th place)

EV Agafonova, YV Moshchenskii, ML Tkachenko: Determining the main thermodynamic parameters of caffeine melting by means of DSC. Russian Journal of Physical Chemistry A, 2012, 86. vsk, nro 6, s. 1035–1037. doi:10.1134/S0036024412060027 ISSN 1531-863X Artikkelin verkkoversio.
JR Vanderveen et al: Characterizing the effects of a "switchable water" additive on the aqueous solubility of small molecules. Chemphyschem, 2018, 19. vsk, nro 16, s. 2093–2100. PubMed:29451332 doi:10.1002/cphc.201701303 ISSN 1439-7641 Artikkelin verkkoversio.^{[vanhentunut linkki]}
C Willson: The clinical toxicology of caffeine: a review and case study. Toxicology Reports, 2018, 5. vsk, s. 1140–1152. PubMed:30505695 doi:10.1016/j.toxrep.2018.11.002 ISSN 2214-7500 Artikkelin verkkoversio.
SG Alsabri et al: Kinetic and dynamic description of caffeine. Journal of Caffeine and Adenosine Research, 2018, 8. vsk, nro 1, s. 3–9. doi:10.1089/caff.2017.0011 ISSN 2573-3397 Artikkelin verkkoversio.
Scientific opinion on the safety of caffeine. EFSA Journal, 2015, 13. vsk, nro 5. doi:10.2903/j.efsa.2015.4102 ISSN 1831-4732 Artikkelin verkkoversio. (Arkistoitu – Internet Archive)
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S Ferré et al: New developments on the adenosine mechanisms of the central effects of caffeine and their implications for neuropsychiatric disorders. Journal of Caffeine and Adenosine Research, 2018, 8. vsk, nro 4, s. 121–130. PubMed:30596206 doi:10.1089/caff.2018.0017 ISSN 2573-3397 Artikkelin verkkoversio.
D Wikoff et al: Systematic review of the potential adverse effects of caffeine consumption in healthy adults, pregnant women, adolescents, and children. Food and Chemical Toxicology, 2017, 109. vsk, nro Pt 1, s. 585–648. PubMed:28438661 doi:10.1016/j.fct.2017.04.002 ISSN 1873-6351 Artikkelin verkkoversio.
CT Hong, L Chan, C Bai: The effect of caffeine on the risk and progression of Parkinson’s disease: a meta-analysis. Nutrients, 2020, 12. vsk, nro 6. PubMed:32580456 doi:10.3390/nu12061860 ISSN 2072-6643 Artikkelin verkkoversio.
H Qi, S Li: Dose-response meta-analysis on coffee, tea and caffeine consumption with risk of Parkinson's disease. Geriatrics & Gerontology International, 2014, 14. vsk, nro 2, s. 430–439. PubMed:23879665 doi:10.1111/ggi.12123 ISSN 1447-0594 Artikkelin verkkoversio.
J Costa et al: Caffeine exposure and the risk of Parkinson's disease: a systematic review and meta-analysis of observational studies. Journal of Alzheimer's disease, 2010, 20. vsk, nro Suppl 1, s. S221–238. PubMed:20182023 doi:10.3233/JAD-2010-091525 ISSN 1875-8908 Artikkelin verkkoversio.
P Mazzafera et al: Decaf and the steeplechase towards decaffito - the coffee from caffeine-free arabica plants. Tropical Plant Biology, 2009, 2. vsk, nro 2, s. 63–76. doi:10.1007/s12042-009-9032-7 ISSN 1935-9756 Artikkelin verkkoversio.
CH Pfaff, J Liebig: Ueber die zusammensetzung des caffeins. Annalen der Pharmacie, 1832, 1. vsk, nro 1, s. 17–20. doi:10.1002/jlac.18320010104 ISSN 1099-0690 Artikkelin verkkoversio.^{[vanhentunut linkki]}
H Kragh, MM Bak: Christoph. H. Pfaff and the controversy over voltaic electricity. Bulletin for the History of Chemistry, 2000, 25. vsk, nro 2, s. 83–90. ISSN 1053-4385 Artikkelin verkkoversio.
L Medicus: Zur constitution der harnsäuregruppe. Justus Liebigs Annalen der Chemie, 1875, 175. vsk, nro 1-2, s. 230–251. doi:10.1002/jlac.18751750116 ISSN 1099-0690 Artikkelin verkkoversio.^{[vanhentunut linkki]}
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BB Fredholm et al: VI. Nomenclature and classification of purinoceptors. Pharmacological reviews, 1994, 46. vsk, nro 2, s. 143–156. PubMed:7938164 ISSN 0031-6997 Artikkelin verkkoversio.
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H Bothe, HK Cammenga: Composition, properties, stability and thermal dehydration of crystalline caffeine hydrate. Thermochimica Acta, 1980, 40. vsk, nro 1, s. 29–39. doi:10.1016/0040-6031(80)87173-5 ISSN 0040-6031 Artikkelin verkkoversio.
CJ Derry, S Derry, RA Moore: Caffeine as an analgesic adjuvant for acute pain in adults. The Cochrane Database of Systematic Reviews, 2014, 12. vsk. PubMed:25502052 doi:10.1002/14651858.CD009281.pub3 ISSN 1469-493X Artikkelin verkkoversio.
M Aguilar-Navarro et al: Urine caffeine concentration in doping control samples from 2004 to 2015. Nutrients, 2019, 11. vsk, nro 2. PubMed:30699902 doi:10.3390/nu11020286 ISSN 2072-6643 Artikkelin verkkoversio.
N Chester, N Wojek: Caffeine consumption amongst British athletes following changes to the 2004 WADA prohibited list. International Journal of Sports Medicine, 2008, 29. vsk, nro 6, s. 524–528. PubMed:18027309 doi:10.1055/s-2007-989231 ISSN 0172-4622 Artikkelin verkkoversio.
JM Chin et al: Caffeine content of brewed teas. Journal of Analytical Toxicology, 2008, 32. vsk, nro 8, s. 702–704. PubMed:19007524 doi:10.1093/jat/32.8.702 ISSN 0146-4760 Artikkelin verkkoversio.
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