Δίδυμος (Greek Wikipedia)

Analysis of information sources in references of the Wikipedia article "Δίδυμος" in Greek language version.

refsWebsite

Global rank Greek rank

17nih.gov

4^th place

14web.archive.org

1^st place

11doi.org

2^nd place

3^rd place

5worldcat.org

5^th place

8^th place

3archive.org

6^th place

5^th place

2cdc.gov

218^th place

156^th place

2bbc.co.uk

8^th place

20^th place

2cia.gov

89^th place

63^rd place

2reproductivemedicine.com

low place

1medterms.com

8,430^th place

2,400^th place

1emedicine.com

3,595^th place

2,635^th place

1iol.co.za

1,318^th place

4,237^th place

1yale.edu

565^th place

581^st place

1usatoday.com

41^st place

223^rd place

1wonderquest.com

low place

1eshre.com

low place

1pnas.org

1,293^rd place

887^th place

1msn.com

117^th place

259^th place

1bellaonline.com

low place

1obfocus.com

low place

1pregnancy-info.net

low place

1about.com

216^th place

188^th place

1telegraph.co.uk

30^th place

91^st place

1thesun.co.uk

1,600^th place

1,481^st place

1newscientist.com

774^th place

684^th place

1independent.co.uk

36^th place

113^th place

1books.google.com

3^rd place

6^th place

1dailymail.co.uk

219^th place

194^th place

1iatrikionline.gr

low place

1,502^nd place

1bmj.com

1,226^th place

730^th place

1devbio.com

low place

1livescience.com

1,190^th place

1,716^th place

1biolbull.org

low place

1jstor.org

26^th place

139^th place

about.com (Global: 216^th place; Greek: 188^th place)

multiples.about.com

MoMo Twins; Monochorionic Monoamniotic Twins Αρχειοθετήθηκε 2016-04-08 στο Wayback Machine. By Pamela Prindle Fierro, About.com. Retrieved on July 9, 2009

archive.org (Global: 6^th place; Greek: 5^th place)

Segal, Nancy L. (1999). Entwined lives: twins and what they tell us about human behavior. New York: Dutton. ISBN 0-525-94465-6. OCLC 40396458. ^{[Χρειάζεται σελίδα]}
Plomin, Robert (2001). Behavioral genetics. New York: Worth Pubs. ISBN 0-7167-5159-3. OCLC 43894450. ^{[Χρειάζεται σελίδα]}
Shulman, Lee S.; Vugt, John M. G. van (2006). Prenatal medicine. Washington, DC: Taylor & Francis. σελίδες Page 447. ISBN 0-8247-2844-0. CS1 maint: Πολλαπλές ονομασίες: authors list (link)

bbc.co.uk (Global: 8^th place; Greek: 20^th place)

«The Land Of Twins». BBC World Service. 2001-06-07. http://www.bbc.co.uk/worldservice/people/highlights/010607_twins.shtml. Ανακτήθηκε στις 2008-09-29.
«The Land Of Twins». BBC World News. 7 June 2001. http://www.bbc.co.uk/worldservice/people/highlights/010607_twins.shtml. Ανακτήθηκε στις 2009-08-06.

bellaonline.com (Global: low place; Greek: low place)

Kris Bigalk. «Rare Forms of Twinning». bellaonline.com. Ανακτήθηκε στις 22 Μαρτίου 2007.

biolbull.org (Global: low place; Greek: low place)

Newman HH. Patterson JT. (1909). A Case of Normal Identical Quadruplets in the Nine-Banded Armadillo, and Its Bearing on the Problems of Identical Twins and of Sex Determination Αρχειοθετήθηκε 2011-06-16 στο Wayback Machine.. Biological Bulletin, 17: 181-187
JSTOR 1536114

bmj.com (Global: 1,226^th place; Greek: 730^th place)

jmg.bmj.com

Schmidt, R; EH Sobel, HM Nitowsky, Η Dar and FH Allen Jr (February 1976). «Monozygotic twins discordant for sex». Journal of Medical Genetics 13 (1): 64–68. doi:10.1136/jmg.13.1.64. PMID 944787. PMC 1013354. http://jmg.bmj.com/cgi/content/abstract/13/1/64. Ανακτήθηκε στις 2008-09-29.

books.google.com (Global: 3^rd place; Greek: 6^th place)

Gedda, Luigi (1995). «The role of research in twin medicine». Στο: Louis G. Keith, Emile Papiernik, Donald M. Keith and Barbara Luke, επιμ. Multiple Pregnancy: Epidemiology, Gestation & Perinatal Outcome. Taylor and Francis. σελίδες 4. ISBN 1-85070-666-2. CS1 maint: Πολλαπλές ονομασίες: editors list (link)

cdc.gov (Global: 218^th place; Greek: 156^th place)

Martin, Joyce A.; Hamilton, Brady E.; Sutton, Paul D.; Ventura, Stephanie J.; Menacker, Fay; Kirmeyer, Sharon and Mathews, T.J. Births: Final Data for 2006, National Vital Statistics Report, Vol. 57, No. 7, Jan. 7, 2009, 102 pp. (Table 39, pp.83-84)
Martin, Joyce A; Melissa M. Park (1999-09-14). «Trends in Twin and Triplet Births: 1980–97» (PDF). National Vital Statistics Reports (National Center for Health Statistics) 47 (24): 1–17. http://www.cdc.gov/nchs/data/nvsr/nvsr47/nvs47_24.pdf. Ανακτήθηκε στις 2008-09-29.

cia.gov (Global: 89^th place; Greek: 63^rd place)

«United States: People». The World Factbook. Central Intelligence Agency. 4 Σεπτεμβρίου 2008. Αρχειοθετήθηκε από το πρωτότυπο στις 25 Δεκεμβρίου 2018. Ανακτήθηκε στις 2 Οκτωβρίου 2008.
«Italy: People». The World Factbook. Central Intelligence Agency. 4 Σεπτεμβρίου 2008. Αρχειοθετήθηκε από το πρωτότυπο στις 9 Ιουλίου 2017. Ανακτήθηκε στις 2 Οκτωβρίου 2008.

dailymail.co.uk (Global: 219^th place; Greek: 194^th place)

Lovell, Tammy (2008-07-17). «Pictured: Proud parents show off their million-to-one black and white twins». Daily Mail (Associated Newspapers Ltd). http://www.dailymail.co.uk/femail/article-1035939/Pictured-Proud-parents-million-black-white-twins.html. Ανακτήθηκε στις 2008-10-02.

devbio.com (Global: low place; Greek: low place)

8e.devbio.com

Gilbert, Scott F. (2006). «Non-identical Monozygotic Twins». Developmental biology. Sunderland, Mass: Sinauer Associates. ISBN 0-87893-250-X. OCLC 172964621. Αρχειοθετήθηκε από το πρωτότυπο στις 6 Ιανουαρίου 2009. Ανακτήθηκε στις 30 Σεπτεμβρίου 2008.

doi.org (Global: 2^nd place; Greek: 3^rd place)

dx.doi.org

Elliott, JP (December 2007). «Preterm labor in twins and high-order multiples.». Clinical Perinatology 34 (4): 599–609. doi:10.1016/j.clp.2007.10.004. PMID 18063108. «Unlike singleton gestation where identification of patients at risk for PTL is often difficult, every multiple gestation is at risk for PTL, so all patients can be managed as being at risk.».
Bortolus, Renata; Fabio Parazzini, Liliane Chatenoud, Guido Benzi, Massimiliano Maria Bianchi, Alberto Marini (1999). «The epidemiology of multiple births». Human Reproduction Update (European Society of Human Reproduction and Embryology) 5 (2): 179–187. doi:10.1093/humupd/5.2.179. ISSN 1355-4786. PMID 10336022.
Illmensee K, Levanduski M, Vidali A, Husami N, Goudas VT (February 2009). «Human embryo twinning with applications in reproductive medicine». Fertil. Steril. 93 (2): 423–7. doi:10.1016/j.fertnstert.2008.12.098. PMID 19217091.
Edwards, JH; T Dent and J Kahn (June 1966). «Monozygotic twins of different sex». Journal of Medical Genetics 3 (2): 117–123. doi:10.1136/jmg.3.2.117. PMID 6007033.
Machin, GA (January 1996). «Some causes of genotypic and phenotypic discordance in monozygotic twin pairs». American Journal of Medical Genetics 61 (3): 216–228. doi:10.1002/(SICI)1096-8628(19960122)61:3<216::AID-AJMG5>3.0.CO;2-S. PMID 8741866.
Fraga, Mario F.; Esteban Ballestar, Maria F. Paz, Santiago Ropero, Fernando Setien, Maria L. Ballestar†, Damia Heine-Suñer, Juan C. Cigudosa, Miguel Urioste, Javier Benitez, Manuel Boix-Chornet, Abel Sanchez-Aguilera, Charlotte Ling, Emma Carlsson, Pernille Poulsen, Allan Vaag, Zarko Stephan, Tim D. Spector, Yue-Zhong Wu, Christoph Plass and Manel Esteller (July 2005). «Epigenetic differences arise during the lifetime of monozygotic twins». Proc. Natl. Acad. Sci. U.S.A. 102 (30): 10604–9. doi:10.1073/pnas.0500398102. PMID 16009939. PMC 1174919. Αρχειοθετήθηκε από το πρωτότυπο στις 2012-12-05. https://web.archive.org/web/20121205172616/http://www.pnas.org/content/102/30/10604.full. Ανακτήθηκε στις 2008-09-29.
Cordero L, Franco A, Joy SD, O'shaughnessy RW (December 2005). «Monochorionic diamniotic infants without twin-to-twin transfusion syndrome». J Perinatol 25 (12): 753–8. doi:10.1038/sj.jp.7211405. PMID 16281049.
Rehan, N; DS Tafida (November 1980). «Multiple births in Hausa women». Br J Obstet Gynaecol 87 (11): 997–1004. doi:10.1111/j.1471-0528.1980.tb04464.x. PMID 7437372.
Schmidt, R; EH Sobel, HM Nitowsky, Η Dar and FH Allen Jr (February 1976). «Monozygotic twins discordant for sex». Journal of Medical Genetics 13 (1): 64–68. doi:10.1136/jmg.13.1.64. PMID 944787. PMC 1013354. http://jmg.bmj.com/cgi/content/abstract/13/1/64. Ανακτήθηκε στις 2008-09-29.
Souter, Vivienne L.; Melissa A. Parisi, Dale R. Nyholt, Raj P. Kapur, Anjali K. Henders, Kent E. Opheim, Daniel F. Gunther, Michael E. Mitchell, Ian A. Glass and Grant W. Montgomery (April 2007). «A case of true hermaphroditism reveals an unusual mechanism of twinning». Hum. Genet. 121 (2): 179–85. doi:10.1007/s00439-006-0279-x. PMID 17165045.
Whitfield, John (2007). «'Semi-identical' twins discovered». Nature. doi:10.1038/news070326-1.

emedicine.com (Global: 3,595^th place; Greek: 2,635^th place)

Zach, Terence (2 Οκτωβρίου 2007). «Multiple Births». WebMD. Ανακτήθηκε στις 29 Σεπτεμβρίου 2008. Unknown parameter |coauthors= ignored (|author= suggested) (βοήθεια)

eshre.com (Global: low place; Greek: low place)

European Society of Human Reproduction and Embryology (2007-07-02). Time-lapse recordings reveal why IVF embryos are more likely to develop into twins. Researchers believe the laboratory culture could be the cause. Δελτίο τύπου. Ανακτήθηκε στις 2008-09-30. Αρχειοθετήθηκε 2007-09-21 στο Wayback Machine. «Αρχειοθετημένο αντίγραφο». Αρχειοθετήθηκε από το πρωτότυπο στις 21 Σεπτεμβρίου 2007. Ανακτήθηκε στις 4 Ιουλίου 2010.

iatrikionline.gr (Global: low place; Greek: 1,502^nd place)

http://www.iatrikionline.gr/EL_M_3_2005/04.htm

independent.co.uk (Global: 36^th place; Greek: 113^th place)

«Seeing double: the village in deepest Kerala where twins have taken over». The Independent. 12 May 2009. Αρχειοθετήθηκε από το πρωτότυπο στις 2009-05-15. https://web.archive.org/web/20090515113026/http://www.independent.co.uk/news/science/seeing-double-the-village-in-deepest-kerala-where-twins-have-taken-over-1683129.html. Ανακτήθηκε στις 2009-08-06.

iol.co.za (Global: 1,318^th place; Greek: 4,237^th place)

«Genetics or yams in the Land of Twins?». Independent Online. 2007-11-12. Αρχειοθετήθηκε από το πρωτότυπο στις 2009-05-15. https://web.archive.org/web/20090515114147/http://www.iol.co.za/index.php?from=rss_Africa&set_id=1&click_id=68&art_id=nw20071112091221822C182549. Ανακτήθηκε στις 2008-09-29.

jstor.org (Global: 26^th place; Greek: 139^th place)

Newman HH. Patterson JT. (1909). A Case of Normal Identical Quadruplets in the Nine-Banded Armadillo, and Its Bearing on the Problems of Identical Twins and of Sex Determination Αρχειοθετήθηκε 2011-06-16 στο Wayback Machine.. Biological Bulletin, 17: 181-187
JSTOR 1536114

livescience.com (Global: 1,190^th place; Greek: 1,716^th place)

LiveScience Staff (2007-03-26). «Rare Semi-Identical Twins Discovered». Imaginova. http://www.livescience.com/health/070326_semi_twins.html. Ανακτήθηκε στις 2008-10-01.

medterms.com (Global: 8,430^th place; Greek: 2,400^th place)

MedicineNet > Definition of Twin Αρχειοθετήθηκε 2013-10-22 στο Wayback Machine. Last Editorial Review: 6/19/2000

msn.com (Global: 117^th place; Greek: 259^th place)

msnbc.msn.com

LiveScience (2008-02-21). «'Identical' twins? Not according to their DNA». MSNBC. http://www.msnbc.msn.com/id/23276953/. Ανακτήθηκε στις 2008-10-10.

newscientist.com (Global: 774^th place; Greek: 684^th place)

Linda Geddes: Nazi 'Angel of Death' not responsible for town of twins New Scientist online, 27 January 2009

nih.gov (Global: 4^th place; Greek: 4^th place)

ncbi.nlm.nih.gov

Elliott, JP (December 2007). «Preterm labor in twins and high-order multiples.». Clinical Perinatology 34 (4): 599–609. doi:10.1016/j.clp.2007.10.004. PMID 18063108. «Unlike singleton gestation where identification of patients at risk for PTL is often difficult, every multiple gestation is at risk for PTL, so all patients can be managed as being at risk.».
Bortolus, Renata; Fabio Parazzini, Liliane Chatenoud, Guido Benzi, Massimiliano Maria Bianchi, Alberto Marini (1999). «The epidemiology of multiple births». Human Reproduction Update (European Society of Human Reproduction and Embryology) 5 (2): 179–187. doi:10.1093/humupd/5.2.179. ISSN 1355-4786. PMID 10336022.
Illmensee K, Levanduski M, Vidali A, Husami N, Goudas VT (February 2009). «Human embryo twinning with applications in reproductive medicine». Fertil. Steril. 93 (2): 423–7. doi:10.1016/j.fertnstert.2008.12.098. PMID 19217091.
Oleszczuk, Jaroslaw J.; Donald M. Keith, Louis G. Keith and William F. Rayburn (November 1999). «Projections of population-based twinning rates through the year 2100». The Journal of Reproductive Medicine 44 (11): 913–921. PMID 10589400. Αρχειοθετήθηκε από το πρωτότυπο στις 2019-02-14. https://web.archive.org/web/20190214174221/http://www.reproductivemedicine.com/toc/auto_abstract.php?id=13594. Ανακτήθηκε στις 2008-10-02.
Edwards, JH; T Dent and J Kahn (June 1966). «Monozygotic twins of different sex». Journal of Medical Genetics 3 (2): 117–123. doi:10.1136/jmg.3.2.117. PMID 6007033.
Machin, GA (January 1996). «Some causes of genotypic and phenotypic discordance in monozygotic twin pairs». American Journal of Medical Genetics 61 (3): 216–228. doi:10.1002/(SICI)1096-8628(19960122)61:3<216::AID-AJMG5>3.0.CO;2-S. PMID 8741866.
Fraga, Mario F.; Esteban Ballestar, Maria F. Paz, Santiago Ropero, Fernando Setien, Maria L. Ballestar†, Damia Heine-Suñer, Juan C. Cigudosa, Miguel Urioste, Javier Benitez, Manuel Boix-Chornet, Abel Sanchez-Aguilera, Charlotte Ling, Emma Carlsson, Pernille Poulsen, Allan Vaag, Zarko Stephan, Tim D. Spector, Yue-Zhong Wu, Christoph Plass and Manel Esteller (July 2005). «Epigenetic differences arise during the lifetime of monozygotic twins». Proc. Natl. Acad. Sci. U.S.A. 102 (30): 10604–9. doi:10.1073/pnas.0500398102. PMID 16009939. PMC 1174919. Αρχειοθετήθηκε από το πρωτότυπο στις 2012-12-05. https://web.archive.org/web/20121205172616/http://www.pnas.org/content/102/30/10604.full. Ανακτήθηκε στις 2008-09-29.
Cordero L, Franco A, Joy SD, O'shaughnessy RW (December 2005). «Monochorionic diamniotic infants without twin-to-twin transfusion syndrome». J Perinatol 25 (12): 753–8. doi:10.1038/sj.jp.7211405. PMID 16281049.
Steinman, Gary (May 2006). «Mechanisms of twinning: VII. Effect of diet and heredity on the human twinning rate». J Reprod Med 51 (5): 405–410. PMID 16779988. Αρχειοθετήθηκε από το πρωτότυπο στις 2019-10-06. https://web.archive.org/web/20191006125922/http://www.reproductivemedicine.com/toc/auto_abstract.php?id=22626. Ανακτήθηκε στις 2008-09-29.
Matte, U; MG Le Roux, B Bénichou, JP Moisan and R Giugliani (1996). «Study on possible increase in twinning rate at a small village in south Brazil». Acta Genet Med Gemellol (Roma) 45 (4): 431–437. PMID 9181177.
Rehan, N; DS Tafida (November 1980). «Multiple births in Hausa women». Br J Obstet Gynaecol 87 (11): 997–1004. doi:10.1111/j.1471-0528.1980.tb04464.x. PMID 7437372.
Schmidt, R; EH Sobel, HM Nitowsky, Η Dar and FH Allen Jr (February 1976). «Monozygotic twins discordant for sex». Journal of Medical Genetics 13 (1): 64–68. doi:10.1136/jmg.13.1.64. PMID 944787. PMC 1013354. http://jmg.bmj.com/cgi/content/abstract/13/1/64. Ανακτήθηκε στις 2008-09-29.
Souter, Vivienne L.; Melissa A. Parisi, Dale R. Nyholt, Raj P. Kapur, Anjali K. Henders, Kent E. Opheim, Daniel F. Gunther, Michael E. Mitchell, Ian A. Glass and Grant W. Montgomery (April 2007). «A case of true hermaphroditism reveals an unusual mechanism of twinning». Hum. Genet. 121 (2): 179–85. doi:10.1007/s00439-006-0279-x. PMID 17165045.
Cyranoski D. (2009). Developmental biology: Two by two. Nature. 458(7240):826-9.PubMed

pubmedcentral.nih.gov

Edwards, JH; T Dent and J Kahn (June 1966). «Monozygotic twins of different sex». Journal of Medical Genetics 3 (2): 117–123. doi:10.1136/jmg.3.2.117. PMID 6007033.
Fraga, Mario F.; Esteban Ballestar, Maria F. Paz, Santiago Ropero, Fernando Setien, Maria L. Ballestar†, Damia Heine-Suñer, Juan C. Cigudosa, Miguel Urioste, Javier Benitez, Manuel Boix-Chornet, Abel Sanchez-Aguilera, Charlotte Ling, Emma Carlsson, Pernille Poulsen, Allan Vaag, Zarko Stephan, Tim D. Spector, Yue-Zhong Wu, Christoph Plass and Manel Esteller (July 2005). «Epigenetic differences arise during the lifetime of monozygotic twins». Proc. Natl. Acad. Sci. U.S.A. 102 (30): 10604–9. doi:10.1073/pnas.0500398102. PMID 16009939. PMC 1174919. Αρχειοθετήθηκε από το πρωτότυπο στις 2012-12-05. https://web.archive.org/web/20121205172616/http://www.pnas.org/content/102/30/10604.full. Ανακτήθηκε στις 2008-09-29.
Schmidt, R; EH Sobel, HM Nitowsky, Η Dar and FH Allen Jr (February 1976). «Monozygotic twins discordant for sex». Journal of Medical Genetics 13 (1): 64–68. doi:10.1136/jmg.13.1.64. PMID 944787. PMC 1013354. http://jmg.bmj.com/cgi/content/abstract/13/1/64. Ανακτήθηκε στις 2008-09-29.

obfocus.com (Global: low place; Greek: low place)

Curran, Mark (2 Νοεμβρίου 2005). «Twinning». Focus Information Technology. Αρχειοθετήθηκε από το πρωτότυπο στις 4 Μαρτίου 2016. Ανακτήθηκε στις 10 Οκτωβρίου 2008.

pnas.org (Global: 1,293^rd place; Greek: 887^th place)

Fraga, Mario F.; Esteban Ballestar, Maria F. Paz, Santiago Ropero, Fernando Setien, Maria L. Ballestar†, Damia Heine-Suñer, Juan C. Cigudosa, Miguel Urioste, Javier Benitez, Manuel Boix-Chornet, Abel Sanchez-Aguilera, Charlotte Ling, Emma Carlsson, Pernille Poulsen, Allan Vaag, Zarko Stephan, Tim D. Spector, Yue-Zhong Wu, Christoph Plass and Manel Esteller (July 2005). «Epigenetic differences arise during the lifetime of monozygotic twins». Proc. Natl. Acad. Sci. U.S.A. 102 (30): 10604–9. doi:10.1073/pnas.0500398102. PMID 16009939. PMC 1174919. Αρχειοθετήθηκε από το πρωτότυπο στις 2012-12-05. https://web.archive.org/web/20121205172616/http://www.pnas.org/content/102/30/10604.full. Ανακτήθηκε στις 2008-09-29.

pregnancy-info.net (Global: low place; Greek: low place)

Pregnancy-Info -- > Monoamniotic Twins Retrieved on July 9, 2009

reproductivemedicine.com (Global: low place; Greek: low place)

Oleszczuk, Jaroslaw J.; Donald M. Keith, Louis G. Keith and William F. Rayburn (November 1999). «Projections of population-based twinning rates through the year 2100». The Journal of Reproductive Medicine 44 (11): 913–921. PMID 10589400. Αρχειοθετήθηκε από το πρωτότυπο στις 2019-02-14. https://web.archive.org/web/20190214174221/http://www.reproductivemedicine.com/toc/auto_abstract.php?id=13594. Ανακτήθηκε στις 2008-10-02.
Steinman, Gary (May 2006). «Mechanisms of twinning: VII. Effect of diet and heredity on the human twinning rate». J Reprod Med 51 (5): 405–410. PMID 16779988. Αρχειοθετήθηκε από το πρωτότυπο στις 2019-10-06. https://web.archive.org/web/20191006125922/http://www.reproductivemedicine.com/toc/auto_abstract.php?id=22626. Ανακτήθηκε στις 2008-09-29.

telegraph.co.uk (Global: 30^th place; Greek: 91^st place)

Nick Evans (21 January 2009big). «Nazi Angel of death Josef Mengel created twin town in Brazil». The Telegraph. http://www.telegraph.co.uk/news/worldnews/southamerica/brazil/4307262/Nazi-angel-of-death-Josef-Mengele-created-twin-town-in-Brazil.html.

thesun.co.uk (Global: 1,600^th place; Greek: 1,481^st place)

Caroline Iggulden (23 January 2009). «The twins from Brazil». The Sun. Αρχειοθετήθηκε από το πρωτότυπο στις 2009-01-25. https://web.archive.org/web/20090125151942/http://www.thesun.co.uk/sol/homepage/woman/real_life/article2162918.ece. Ανακτήθηκε στις 2010-08-12.

usatoday.com (Global: 41^st place; Greek: 223^rd place)

Cheng, Maria (2007-07-03). «Study: Twins form after embryo collapses». USA Today. http://www.usatoday.com/news/health/2007-07-03-52152171_x.htm. Ανακτήθηκε στις 2008-09-30.

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

MedicineNet > Definition of Twin Αρχειοθετήθηκε 2013-10-22 στο Wayback Machine. Last Editorial Review: 6/19/2000
«Genetics or yams in the Land of Twins?». Independent Online. 2007-11-12. Αρχειοθετήθηκε από το πρωτότυπο στις 2009-05-15. https://web.archive.org/web/20090515114147/http://www.iol.co.za/index.php?from=rss_Africa&set_id=1&click_id=68&art_id=nw20071112091221822C182549. Ανακτήθηκε στις 2008-09-29.
«United States: People». The World Factbook. Central Intelligence Agency. 4 Σεπτεμβρίου 2008. Αρχειοθετήθηκε από το πρωτότυπο στις 25 Δεκεμβρίου 2018. Ανακτήθηκε στις 2 Οκτωβρίου 2008.
«Italy: People». The World Factbook. Central Intelligence Agency. 4 Σεπτεμβρίου 2008. Αρχειοθετήθηκε από το πρωτότυπο στις 9 Ιουλίου 2017. Ανακτήθηκε στις 2 Οκτωβρίου 2008.
Oleszczuk, Jaroslaw J.; Donald M. Keith, Louis G. Keith and William F. Rayburn (November 1999). «Projections of population-based twinning rates through the year 2100». The Journal of Reproductive Medicine 44 (11): 913–921. PMID 10589400. Αρχειοθετήθηκε από το πρωτότυπο στις 2019-02-14. https://web.archive.org/web/20190214174221/http://www.reproductivemedicine.com/toc/auto_abstract.php?id=13594. Ανακτήθηκε στις 2008-10-02.
European Society of Human Reproduction and Embryology (2007-07-02). Time-lapse recordings reveal why IVF embryos are more likely to develop into twins. Researchers believe the laboratory culture could be the cause. Δελτίο τύπου. Ανακτήθηκε στις 2008-09-30. Αρχειοθετήθηκε 2007-09-21 στο Wayback Machine. «Αρχειοθετημένο αντίγραφο». Αρχειοθετήθηκε από το πρωτότυπο στις 21 Σεπτεμβρίου 2007. Ανακτήθηκε στις 4 Ιουλίου 2010.
Fraga, Mario F.; Esteban Ballestar, Maria F. Paz, Santiago Ropero, Fernando Setien, Maria L. Ballestar†, Damia Heine-Suñer, Juan C. Cigudosa, Miguel Urioste, Javier Benitez, Manuel Boix-Chornet, Abel Sanchez-Aguilera, Charlotte Ling, Emma Carlsson, Pernille Poulsen, Allan Vaag, Zarko Stephan, Tim D. Spector, Yue-Zhong Wu, Christoph Plass and Manel Esteller (July 2005). «Epigenetic differences arise during the lifetime of monozygotic twins». Proc. Natl. Acad. Sci. U.S.A. 102 (30): 10604–9. doi:10.1073/pnas.0500398102. PMID 16009939. PMC 1174919. Αρχειοθετήθηκε από το πρωτότυπο στις 2012-12-05. https://web.archive.org/web/20121205172616/http://www.pnas.org/content/102/30/10604.full. Ανακτήθηκε στις 2008-09-29.
Curran, Mark (2 Νοεμβρίου 2005). «Twinning». Focus Information Technology. Αρχειοθετήθηκε από το πρωτότυπο στις 4 Μαρτίου 2016. Ανακτήθηκε στις 10 Οκτωβρίου 2008.
MoMo Twins; Monochorionic Monoamniotic Twins Αρχειοθετήθηκε 2016-04-08 στο Wayback Machine. By Pamela Prindle Fierro, About.com. Retrieved on July 9, 2009
Steinman, Gary (May 2006). «Mechanisms of twinning: VII. Effect of diet and heredity on the human twinning rate». J Reprod Med 51 (5): 405–410. PMID 16779988. Αρχειοθετήθηκε από το πρωτότυπο στις 2019-10-06. https://web.archive.org/web/20191006125922/http://www.reproductivemedicine.com/toc/auto_abstract.php?id=22626. Ανακτήθηκε στις 2008-09-29.
Caroline Iggulden (23 January 2009). «The twins from Brazil». The Sun. Αρχειοθετήθηκε από το πρωτότυπο στις 2009-01-25. https://web.archive.org/web/20090125151942/http://www.thesun.co.uk/sol/homepage/woman/real_life/article2162918.ece. Ανακτήθηκε στις 2010-08-12.
«Seeing double: the village in deepest Kerala where twins have taken over». The Independent. 12 May 2009. Αρχειοθετήθηκε από το πρωτότυπο στις 2009-05-15. https://web.archive.org/web/20090515113026/http://www.independent.co.uk/news/science/seeing-double-the-village-in-deepest-kerala-where-twins-have-taken-over-1683129.html. Ανακτήθηκε στις 2009-08-06.
Gilbert, Scott F. (2006). «Non-identical Monozygotic Twins». Developmental biology. Sunderland, Mass: Sinauer Associates. ISBN 0-87893-250-X. OCLC 172964621. Αρχειοθετήθηκε από το πρωτότυπο στις 6 Ιανουαρίου 2009. Ανακτήθηκε στις 30 Σεπτεμβρίου 2008.
Newman HH. Patterson JT. (1909). A Case of Normal Identical Quadruplets in the Nine-Banded Armadillo, and Its Bearing on the Problems of Identical Twins and of Sex Determination Αρχειοθετήθηκε 2011-06-16 στο Wayback Machine.. Biological Bulletin, 17: 181-187
JSTOR 1536114

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April Holladay (9 Μαΐου 2001). «What triggers twinning?». WonderQuest. Ανακτήθηκε στις 22 Μαρτίου 2007.

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Bortolus, Renata; Fabio Parazzini, Liliane Chatenoud, Guido Benzi, Massimiliano Maria Bianchi, Alberto Marini (1999). «The epidemiology of multiple births». Human Reproduction Update (European Society of Human Reproduction and Embryology) 5 (2): 179–187. doi:10.1093/humupd/5.2.179. ISSN 1355-4786. PMID 10336022.
Segal, Nancy L. (1999). Entwined lives: twins and what they tell us about human behavior. New York: Dutton. ISBN 0-525-94465-6. OCLC 40396458. ^{[Χρειάζεται σελίδα]}
Plomin, Robert (2001). Behavioral genetics. New York: Worth Pubs. ISBN 0-7167-5159-3. OCLC 43894450. ^{[Χρειάζεται σελίδα]}
Asch, Richard H. (1995). Progress in Reproductive Medicine Volume II. Informa. ISBN 1-85070-574-7. ISSN 1358-8702. OCLC 36287045. Unknown parameter |coauthors= ignored (|author= suggested) (βοήθεια)^{[Χρειάζεται σελίδα]}
Gilbert, Scott F. (2006). «Non-identical Monozygotic Twins». Developmental biology. Sunderland, Mass: Sinauer Associates. ISBN 0-87893-250-X. OCLC 172964621. Αρχειοθετήθηκε από το πρωτότυπο στις 6 Ιανουαρίου 2009. Ανακτήθηκε στις 30 Σεπτεμβρίου 2008.

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«What's in a yam? Clues to fertility, a student discovers». 1999. Ανακτήθηκε στις 29 Σεπτεμβρίου 2008.

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