Erection (Simple English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Erection" in Simple English language version.

Last modified: 10:03:41, 25 August 2026 (UTC)

Ref.Un. Ref.Website

Global rank Simple English rank

1715nih.gov

5^th place

98doi.org

2^nd place

88web.archive.org

1^st place

77archive.org

6^th place

3^rd place

33semanticscholar.org

15^th place

11^th place

32health.am

low place

6,421^st place

22seekwellness.com

low place

11monashchildrenshospital.org

low place

7,954^th place

11worldcat.org

4^th place

6^th place

11free-condom-stuff.com

low place

4,697^th place

11foxnews.com

262^nd place

122^nd place

11nhsdirect.nhs.uk

low place

8,163^rd place

11msn.com

188^th place

89^th place

11tobaccoprogram.org

low place

11urologychannel.com

low place

11mayoclinic.com

6,290^th place

1,389^th place

11worldhealth.net

low place

11jci.org

low place

7,371^st place

11newscientist.com

1,041^st place

477^th place

11bbc.co.uk

11^th place

9^th place

11newadvent.org

530^th place

111^th place

111911encyclopedia.org

low place

3,278^th place

11crystalinks.com

low place

4,590^th place

1911encyclopedia.org (Global: low place; Simple English: 3,278^th place)

Hugh Chisholm, ed. (1910–1911). "Priapus". The Encyclopædia Britannica (11th ed.). Cambridge: Cambridge University Press.

archive.org (Global: 6^th place; Simple English: 3^rd place)

Robie H. Harris (1994). It's Perfectly Normal: Changing Bodies, Growing Up, Sex and Sexual Health. Cambridge, Mass.: Candlewick Press. ISBN 978-1-56402-199-1.
Sparling J (1997). "Penile erections: shape, angle, and length". Journal of Sex & Marital Therapy. 23 (3): 195–207. doi:10.1080/00926239708403924. ISSN 0092-623X. PMID 9292834.
Richard Milsten; Julian W. Slowinski (1999). The Sexual Male: Problems and Solutions. New York, N.Y.: W.W. Norton. ISBN 978-0-3930-4740-0.
M. Kendirci; S. Nowfar, W.J. Hellstrom (January 2005). "The Impact of Vascular Risk Factors on Erectile Function". Drugs of Today. 41 (1): 65–74. doi:10.1358/dot.2005.41.1.875779. PMID 15753970.. See also S.G. Korenman (March–April 2004). "Epidemiology of Erectile Dysfunction". Endocrine. 23 (2–3): 87–91. doi:10.1385/ENDO:23:2-3:087. PMID 15146084. S2CID 29133230. I. Peate (April 2005). "The Effects of Smoking on the Reproductive Health of Men". British Journal of Nursing. 14 (7): 362–366. doi:10.12968/bjon.2005.14.7.17939. PMID 15924009.
Sadeghipour, Hamed; Ghasemi, Mehdi; Nobakht, Maliheh; Ebrahimi, Farzad; Dehpour, Ahmad Reza (January 2007). "Effect of Chronic Lithium Administration on Endothelium-dependent Relaxation of Rat Corpus Cavernosum: The Role of Nitric Oxide and Cyclooxygenase Pathways". BJU International. 99 (1): 177–182. doi:10.1111/j.1464-410X.2006.06530.x. PMID 17034495. S2CID 24851778. H. Sadeghipour; M. Ghasemi, F. Ebrahimi and A.R. Dehpour (February 2007). "Effect of Lithium on Endothelium-dependent and Neurogenic Relaxation of Rat Corpus Cavernosum: Role of Nitric Oxide Pathway". Nitric Oxide. 16 (1): 54–63. doi:10.1016/j.niox.2006.05.004. PMID 16828320.
Emil A. Tanagho; Jack W. McAninch, Donald R. Smith (2008). Smith's General Urology (17th ed.). New York, NY: McGraw-Hill Medical. ISBN 978-0-071-45737-8.
Yves Bonnefoy (1992). Roman and European Mythologies. Chicago, IL: University of Chicago Press. pp. 139–142. ISBN 978-0-226-06455-0.

bbc.co.uk (Global: 11^th place; Simple English: 9^th place)

news.bbc.co.uk

Jonathan Amos (25 July 2005). "Ancient phallus unearthed in cave". BBC News.

crystalinks.com (Global: low place; Simple English: 4,590^th place)

"Kokopelli – Trickster god". Chrystalinks: Ellie Crystal's Metaphysical and Science Website. Retrieved 2008-08-04.

doi.org (Global: 2^nd place; Simple English: 2^nd place)

Sparling J (1997). "Penile erections: shape, angle, and length". Journal of Sex & Marital Therapy. 23 (3): 195–207. doi:10.1080/00926239708403924. ISSN 0092-623X. PMID 9292834.
Another study done in 1996 involving 80 men found that the average erect penis length was 12.9 centimetre (5.1 inches): H. Wessells; T.F. Lue, J.W. McAninch (September 1996). "Penile Length in the Flaccid and Erect States: Guidelines for Penile Augmentation". Journal of Urology. 156 (3): 995–997. doi:10.1016/S0022-5347(01)65682-9. PMID 8709382. See also J. Chen (December 2000). "Predicting Penile Size during Erection". International Journal of Impotence Research. 12 (6). A. Gefen, A. Greenstein, H. Matzkin, D. Elad: 328–333. doi:10.1038/sj.ijir.3900627. PMID 11416836. S2CID 17447888.
C.Y. Li (April 2006). "Penile Suspensory Ligament Division for Penile Augmentation: Indications and Results". European Urology. 49 (4). O. Kayes, P.D. Kell, N. Christopher, S. Minhas, D.J. Ralph: 729–733. doi:10.1016/j.eururo.2006.01.020. PMID 16473458.
M. Kendirci; S. Nowfar, W.J. Hellstrom (January 2005). "The Impact of Vascular Risk Factors on Erectile Function". Drugs of Today. 41 (1): 65–74. doi:10.1358/dot.2005.41.1.875779. PMID 15753970.. See also S.G. Korenman (March–April 2004). "Epidemiology of Erectile Dysfunction". Endocrine. 23 (2–3): 87–91. doi:10.1385/ENDO:23:2-3:087. PMID 15146084. S2CID 29133230. I. Peate (April 2005). "The Effects of Smoking on the Reproductive Health of Men". British Journal of Nursing. 14 (7): 362–366. doi:10.12968/bjon.2005.14.7.17939. PMID 15924009.
Sadeghipour, Hamed; Ghasemi, Mehdi; Nobakht, Maliheh; Ebrahimi, Farzad; Dehpour, Ahmad Reza (January 2007). "Effect of Chronic Lithium Administration on Endothelium-dependent Relaxation of Rat Corpus Cavernosum: The Role of Nitric Oxide and Cyclooxygenase Pathways". BJU International. 99 (1): 177–182. doi:10.1111/j.1464-410X.2006.06530.x. PMID 17034495. S2CID 24851778. H. Sadeghipour; M. Ghasemi, F. Ebrahimi and A.R. Dehpour (February 2007). "Effect of Lithium on Endothelium-dependent and Neurogenic Relaxation of Rat Corpus Cavernosum: Role of Nitric Oxide Pathway". Nitric Oxide. 16 (1): 54–63. doi:10.1016/j.niox.2006.05.004. PMID 16828320.
Mi, Tiejuan; Abbasi, Shahrzad; Zhang, Hong; Uray, Karen; Chunn, Janci L.; Xia, Ling Wei; Molina, Jose G.; Weisbrodt, Norman W.; Kellems, Rodney E.; Blackburn, Michael R.; Xia, Yang (2008). "Excess adenosine in murine penile erectile tissues contributes to priapism via A_2B adenosine receptor signaling". Journal of Clinical Investigation. 118 (4): 1491–1501. doi:10.1172/JCI33467. PMC 2267015. PMID 18340377. Archived from the original on 2010-05-26. Retrieved 2008-08-05. Michael Day (13 March 2008). "Relief in sight for sufferers of constant erections". New Scientist.
Montague, Drogo K.; Jarow, Jonathan; Broderick, Gregory A.; Dmochowski, Roger R.; Heaton, Jeremy P.W.; Lue, TOM F.; Nehra, Ajay; Sharlip, IRA D.; Members of the Erectile Dysfunction Guideline Update Panel; Americal Urological Association (October 2003). "American Urological Association Guideline on the Management of Priapism". Journal of Urology. 170 (4 Pt 1): 1318–1324. doi:10.1097/01.ju.0000087608.07371.ca. PMID 14501756.
Burnett, Arthur L.; Bivalacqua, Trinity J.; Champion, Hunter C.; Musicki, Biljana (May 2006). "Long-term Oral Phosphodiesterase 5 Inhibitor Therapy Alleviates Recurrent Priapism". Urology. 67 (5): 1043–1048. doi:10.1016/j.urology.2005.11.045. PMID 16698365. Burnett, Arthur L.; Bivalacqua, Trinity J.; Champion, Hunter C.; Musicki, Biljana (November 2006). "Feasibility of the Use of Phosphodiesterase Type 5 Inhibitors in a Pharmacologic Prevention Program for Recurrent Priapism". Journal of Sexual Medicine. 3 (6): 1077–1084. doi:10.1111/j.1743-6109.2006.00333.x. PMID 17100941.

foxnews.com (Global: 262^nd place; Simple English: 122^nd place)

Miranda Hitti (16 February 2006). "Most men unsatisfied with penis enlargement results". Fox News Channel.

free-condom-stuff.com (Global: low place; Simple English: 4,697^th place)

"Ansell Research: The penis size survey". Ansell Healthcare. March 2001. Archived from the original on 2006-07-01. Retrieved 2008-07-17.

health.am (Global: low place; Simple English: 6,421^st place)

Amalia K. Gagarina (8 December 2007). "Causes of erectile dysfunction". Armenian Health Network. Retrieved 2008-07-22.
Arthur A. Podosyan (6 December 2007). "Male sexual dysfunction epidemiology". Health.am, Armenian Health Network. Retrieved 2008-07-18.

jci.org (Global: low place; Simple English: 7,371^st place)

Mi, Tiejuan; Abbasi, Shahrzad; Zhang, Hong; Uray, Karen; Chunn, Janci L.; Xia, Ling Wei; Molina, Jose G.; Weisbrodt, Norman W.; Kellems, Rodney E.; Blackburn, Michael R.; Xia, Yang (2008). "Excess adenosine in murine penile erectile tissues contributes to priapism via A_2B adenosine receptor signaling". Journal of Clinical Investigation. 118 (4): 1491–1501. doi:10.1172/JCI33467. PMC 2267015. PMID 18340377. Archived from the original on 2010-05-26. Retrieved 2008-08-05. Michael Day (13 March 2008). "Relief in sight for sufferers of constant erections". New Scientist.

mayoclinic.com (Global: 6,290^th place; Simple English: 1,389^th place)

"Erectile dysfunction". Mayo Clinic. 18 January 2008. Retrieved 2008-07-22.

monashchildrenshospital.org (Global: low place; Simple English: 7,954^th place)

"Preputial pathology - Foreskin concerns" (PDF). Monash Children's Hospital. Retrieved 1 August 2023.

msn.com (Global: 188^th place; Simple English: 89^th place)

health.msn.com

Ralph Poore (13 June 2006). "Erection problems (erectile dysfunction)". Healthwise. Archived from the original on 2008-04-15. Retrieved 2008-07-18.

newadvent.org (Global: 530^th place; Simple English: 111^th place)

F. Bechtel (1907). "Ammon". The Catholic Encyclopedia. Vol. I. New York, N.Y.: Robert Appleton Company. Retrieved 2008-08-04.

newscientist.com (Global: 1,041^st place; Simple English: 477^th place)

Mi, Tiejuan; Abbasi, Shahrzad; Zhang, Hong; Uray, Karen; Chunn, Janci L.; Xia, Ling Wei; Molina, Jose G.; Weisbrodt, Norman W.; Kellems, Rodney E.; Blackburn, Michael R.; Xia, Yang (2008). "Excess adenosine in murine penile erectile tissues contributes to priapism via A_2B adenosine receptor signaling". Journal of Clinical Investigation. 118 (4): 1491–1501. doi:10.1172/JCI33467. PMC 2267015. PMID 18340377. Archived from the original on 2010-05-26. Retrieved 2008-08-05. Michael Day (13 March 2008). "Relief in sight for sufferers of constant erections". New Scientist.

nhsdirect.nhs.uk (Global: low place; Simple English: 8,163^rd place)

"Erectile dysfunction". Health Encyclopaedia. NHS Direct, National Health Service. 29 May 2008. Archived from the original on 2008-07-22. Retrieved 2008-07-22.

nih.gov (Global: 5^th place; Simple English: 5^th place)

pubmed.ncbi.nlm.nih.gov

Sparling J (1997). "Penile erections: shape, angle, and length". Journal of Sex & Marital Therapy. 23 (3): 195–207. doi:10.1080/00926239708403924. ISSN 0092-623X. PMID 9292834.
Another study done in 1996 involving 80 men found that the average erect penis length was 12.9 centimetre (5.1 inches): H. Wessells; T.F. Lue, J.W. McAninch (September 1996). "Penile Length in the Flaccid and Erect States: Guidelines for Penile Augmentation". Journal of Urology. 156 (3): 995–997. doi:10.1016/S0022-5347(01)65682-9. PMID 8709382. See also J. Chen (December 2000). "Predicting Penile Size during Erection". International Journal of Impotence Research. 12 (6). A. Gefen, A. Greenstein, H. Matzkin, D. Elad: 328–333. doi:10.1038/sj.ijir.3900627. PMID 11416836. S2CID 17447888.
C.Y. Li (April 2006). "Penile Suspensory Ligament Division for Penile Augmentation: Indications and Results". European Urology. 49 (4). O. Kayes, P.D. Kell, N. Christopher, S. Minhas, D.J. Ralph: 729–733. doi:10.1016/j.eururo.2006.01.020. PMID 16473458.
M. Kendirci; S. Nowfar, W.J. Hellstrom (January 2005). "The Impact of Vascular Risk Factors on Erectile Function". Drugs of Today. 41 (1): 65–74. doi:10.1358/dot.2005.41.1.875779. PMID 15753970.. See also S.G. Korenman (March–April 2004). "Epidemiology of Erectile Dysfunction". Endocrine. 23 (2–3): 87–91. doi:10.1385/ENDO:23:2-3:087. PMID 15146084. S2CID 29133230. I. Peate (April 2005). "The Effects of Smoking on the Reproductive Health of Men". British Journal of Nursing. 14 (7): 362–366. doi:10.12968/bjon.2005.14.7.17939. PMID 15924009.
Sadeghipour, Hamed; Ghasemi, Mehdi; Nobakht, Maliheh; Ebrahimi, Farzad; Dehpour, Ahmad Reza (January 2007). "Effect of Chronic Lithium Administration on Endothelium-dependent Relaxation of Rat Corpus Cavernosum: The Role of Nitric Oxide and Cyclooxygenase Pathways". BJU International. 99 (1): 177–182. doi:10.1111/j.1464-410X.2006.06530.x. PMID 17034495. S2CID 24851778. H. Sadeghipour; M. Ghasemi, F. Ebrahimi and A.R. Dehpour (February 2007). "Effect of Lithium on Endothelium-dependent and Neurogenic Relaxation of Rat Corpus Cavernosum: Role of Nitric Oxide Pathway". Nitric Oxide. 16 (1): 54–63. doi:10.1016/j.niox.2006.05.004. PMID 16828320.
Mi, Tiejuan; Abbasi, Shahrzad; Zhang, Hong; Uray, Karen; Chunn, Janci L.; Xia, Ling Wei; Molina, Jose G.; Weisbrodt, Norman W.; Kellems, Rodney E.; Blackburn, Michael R.; Xia, Yang (2008). "Excess adenosine in murine penile erectile tissues contributes to priapism via A_2B adenosine receptor signaling". Journal of Clinical Investigation. 118 (4): 1491–1501. doi:10.1172/JCI33467. PMC 2267015. PMID 18340377. Archived from the original on 2010-05-26. Retrieved 2008-08-05. Michael Day (13 March 2008). "Relief in sight for sufferers of constant erections". New Scientist.
Montague, Drogo K.; Jarow, Jonathan; Broderick, Gregory A.; Dmochowski, Roger R.; Heaton, Jeremy P.W.; Lue, TOM F.; Nehra, Ajay; Sharlip, IRA D.; Members of the Erectile Dysfunction Guideline Update Panel; Americal Urological Association (October 2003). "American Urological Association Guideline on the Management of Priapism". Journal of Urology. 170 (4 Pt 1): 1318–1324. doi:10.1097/01.ju.0000087608.07371.ca. PMID 14501756.
Burnett, Arthur L.; Bivalacqua, Trinity J.; Champion, Hunter C.; Musicki, Biljana (May 2006). "Long-term Oral Phosphodiesterase 5 Inhibitor Therapy Alleviates Recurrent Priapism". Urology. 67 (5): 1043–1048. doi:10.1016/j.urology.2005.11.045. PMID 16698365. Burnett, Arthur L.; Bivalacqua, Trinity J.; Champion, Hunter C.; Musicki, Biljana (November 2006). "Feasibility of the Use of Phosphodiesterase Type 5 Inhibitors in a Pharmacologic Prevention Program for Recurrent Priapism". Journal of Sexual Medicine. 3 (6): 1077–1084. doi:10.1111/j.1743-6109.2006.00333.x. PMID 17100941.

meshb.nlm.nih.gov

"MeSH Browser". meshb.nlm.nih.gov. Retrieved 2026-04-21.
"MeSH Browser". meshb.nlm.nih.gov. Retrieved 2026-04-21.
"MeSH Browser". meshb.nlm.nih.gov. Retrieved 2026-04-21.
"MeSH Browser". meshb.nlm.nih.gov. Retrieved 2026-04-21.

ncbi.nlm.nih.gov

Mi, Tiejuan; Abbasi, Shahrzad; Zhang, Hong; Uray, Karen; Chunn, Janci L.; Xia, Ling Wei; Molina, Jose G.; Weisbrodt, Norman W.; Kellems, Rodney E.; Blackburn, Michael R.; Xia, Yang (2008). "Excess adenosine in murine penile erectile tissues contributes to priapism via A_2B adenosine receptor signaling". Journal of Clinical Investigation. 118 (4): 1491–1501. doi:10.1172/JCI33467. PMC 2267015. PMID 18340377. Archived from the original on 2010-05-26. Retrieved 2008-08-05. Michael Day (13 March 2008). "Relief in sight for sufferers of constant erections". New Scientist.
Montague, Drogo K.; Jarow, Jonathan; Broderick, Gregory A.; Dmochowski, Roger R.; Heaton, Jeremy P.W.; Lue, TOM F.; Nehra, Ajay; Sharlip, IRA D.; Members of the Erectile Dysfunction Guideline Update Panel; Americal Urological Association (October 2003). "American Urological Association Guideline on the Management of Priapism". Journal of Urology. 170 (4 Pt 1): 1318–1324. doi:10.1097/01.ju.0000087608.07371.ca. PMID 14501756.
Burnett, Arthur L.; Bivalacqua, Trinity J.; Champion, Hunter C.; Musicki, Biljana (May 2006). "Long-term Oral Phosphodiesterase 5 Inhibitor Therapy Alleviates Recurrent Priapism". Urology. 67 (5): 1043–1048. doi:10.1016/j.urology.2005.11.045. PMID 16698365. Burnett, Arthur L.; Bivalacqua, Trinity J.; Champion, Hunter C.; Musicki, Biljana (November 2006). "Feasibility of the Use of Phosphodiesterase Type 5 Inhibitors in a Pharmacologic Prevention Program for Recurrent Priapism". Journal of Sexual Medicine. 3 (6): 1077–1084. doi:10.1111/j.1743-6109.2006.00333.x. PMID 17100941.

seekwellness.com (Global: low place; Simple English: low place)

Chris Steidle (January 2007). "Treatments for erectile dysfunction". SeekWellness.com. Archived from the original on 2008-05-14. Retrieved 2008-08-02.
Chris Steidle (April 2003). "Penile prostheses (implants)". SeekWellness.com. Archived from the original on 2008-06-26. Retrieved 2008-08-02.

semanticscholar.org (Global: 15^th place; Simple English: 11^th place)

api.semanticscholar.org

Another study done in 1996 involving 80 men found that the average erect penis length was 12.9 centimetre (5.1 inches): H. Wessells; T.F. Lue, J.W. McAninch (September 1996). "Penile Length in the Flaccid and Erect States: Guidelines for Penile Augmentation". Journal of Urology. 156 (3): 995–997. doi:10.1016/S0022-5347(01)65682-9. PMID 8709382. See also J. Chen (December 2000). "Predicting Penile Size during Erection". International Journal of Impotence Research. 12 (6). A. Gefen, A. Greenstein, H. Matzkin, D. Elad: 328–333. doi:10.1038/sj.ijir.3900627. PMID 11416836. S2CID 17447888.
M. Kendirci; S. Nowfar, W.J. Hellstrom (January 2005). "The Impact of Vascular Risk Factors on Erectile Function". Drugs of Today. 41 (1): 65–74. doi:10.1358/dot.2005.41.1.875779. PMID 15753970.. See also S.G. Korenman (March–April 2004). "Epidemiology of Erectile Dysfunction". Endocrine. 23 (2–3): 87–91. doi:10.1385/ENDO:23:2-3:087. PMID 15146084. S2CID 29133230. I. Peate (April 2005). "The Effects of Smoking on the Reproductive Health of Men". British Journal of Nursing. 14 (7): 362–366. doi:10.12968/bjon.2005.14.7.17939. PMID 15924009.
Sadeghipour, Hamed; Ghasemi, Mehdi; Nobakht, Maliheh; Ebrahimi, Farzad; Dehpour, Ahmad Reza (January 2007). "Effect of Chronic Lithium Administration on Endothelium-dependent Relaxation of Rat Corpus Cavernosum: The Role of Nitric Oxide and Cyclooxygenase Pathways". BJU International. 99 (1): 177–182. doi:10.1111/j.1464-410X.2006.06530.x. PMID 17034495. S2CID 24851778. H. Sadeghipour; M. Ghasemi, F. Ebrahimi and A.R. Dehpour (February 2007). "Effect of Lithium on Endothelium-dependent and Neurogenic Relaxation of Rat Corpus Cavernosum: Role of Nitric Oxide Pathway". Nitric Oxide. 16 (1): 54–63. doi:10.1016/j.niox.2006.05.004. PMID 16828320.

tobaccoprogram.org (Global: low place; Simple English: low place)

David Moyer. "Impotence [chapter 12]". The Tobacco Reference Guide. Tobacco Dependence Program, School of Public Health, University of Medicine and Dentistry of New Jersey. Archived from the original on 2006-07-15. Retrieved 2008-07-22.

urologychannel.com (Global: low place; Simple English: low place)

"Erectile Dysfunction: Causes". UrologyChannel. Healthcommunities.com. 10 June 1998. Archived from the original on 2007-10-09. Retrieved 2008-07-22.

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

"Ansell Research: The penis size survey". Ansell Healthcare. March 2001. Archived from the original on 2006-07-01. Retrieved 2008-07-17.
"Erectile dysfunction". Health Encyclopaedia. NHS Direct, National Health Service. 29 May 2008. Archived from the original on 2008-07-22. Retrieved 2008-07-22.
Ralph Poore (13 June 2006). "Erection problems (erectile dysfunction)". Healthwise. Archived from the original on 2008-04-15. Retrieved 2008-07-18.
David Moyer. "Impotence [chapter 12]". The Tobacco Reference Guide. Tobacco Dependence Program, School of Public Health, University of Medicine and Dentistry of New Jersey. Archived from the original on 2006-07-15. Retrieved 2008-07-22.
"Erectile Dysfunction: Causes". UrologyChannel. Healthcommunities.com. 10 June 1998. Archived from the original on 2007-10-09. Retrieved 2008-07-22.
Chris Steidle (January 2007). "Treatments for erectile dysfunction". SeekWellness.com. Archived from the original on 2008-05-14. Retrieved 2008-08-02.
Chris Steidle (April 2003). "Penile prostheses (implants)". SeekWellness.com. Archived from the original on 2008-06-26. Retrieved 2008-08-02.
Mi, Tiejuan; Abbasi, Shahrzad; Zhang, Hong; Uray, Karen; Chunn, Janci L.; Xia, Ling Wei; Molina, Jose G.; Weisbrodt, Norman W.; Kellems, Rodney E.; Blackburn, Michael R.; Xia, Yang (2008). "Excess adenosine in murine penile erectile tissues contributes to priapism via A_2B adenosine receptor signaling". Journal of Clinical Investigation. 118 (4): 1491–1501. doi:10.1172/JCI33467. PMC 2267015. PMID 18340377. Archived from the original on 2010-05-26. Retrieved 2008-08-05. Michael Day (13 March 2008). "Relief in sight for sufferers of constant erections". New Scientist.

worldcat.org (Global: 4^th place; Simple English: 6^th place)

search.worldcat.org

Sparling J (1997). "Penile erections: shape, angle, and length". Journal of Sex & Marital Therapy. 23 (3): 195–207. doi:10.1080/00926239708403924. ISSN 0092-623X. PMID 9292834.

worldhealth.net (Global: low place; Simple English: low place)

"Beyond Viagra". WorldHealth.net. 12 August 2003. Retrieved 2008-08-02.

Erection (Simple English Wikipedia)

1911encyclopedia.org (Global: low place; Simple English: 3,278th place)

archive.org (Global: 6th place; Simple English: 3rd place)

bbc.co.uk (Global: 11th place; Simple English: 9th place)

news.bbc.co.uk

crystalinks.com (Global: low place; Simple English: 4,590th place)

doi.org (Global: 2nd place; Simple English: 2nd place)

foxnews.com (Global: 262nd place; Simple English: 122nd place)

free-condom-stuff.com (Global: low place; Simple English: 4,697th place)

health.am (Global: low place; Simple English: 6,421st place)

jci.org (Global: low place; Simple English: 7,371st place)

mayoclinic.com (Global: 6,290th place; Simple English: 1,389th place)

monashchildrenshospital.org (Global: low place; Simple English: 7,954th place)

msn.com (Global: 188th place; Simple English: 89th place)

health.msn.com

newadvent.org (Global: 530th place; Simple English: 111th place)

newscientist.com (Global: 1,041st place; Simple English: 477th place)

nhsdirect.nhs.uk (Global: low place; Simple English: 8,163rd place)

nih.gov (Global: 5th place; Simple English: 5th place)

pubmed.ncbi.nlm.nih.gov

meshb.nlm.nih.gov

ncbi.nlm.nih.gov

seekwellness.com (Global: low place; Simple English: low place)

semanticscholar.org (Global: 15th place; Simple English: 11th place)

api.semanticscholar.org

tobaccoprogram.org (Global: low place; Simple English: low place)

urologychannel.com (Global: low place; Simple English: low place)

web.archive.org (Global: 1st place; Simple English: 1st place)

worldcat.org (Global: 4th place; Simple English: 6th place)

search.worldcat.org

worldhealth.net (Global: low place; Simple English: low place)

1911encyclopedia.org (Global: low place; Simple English: 3,278^th place)

archive.org (Global: 6^th place; Simple English: 3^rd place)

bbc.co.uk (Global: 11^th place; Simple English: 9^th place)

crystalinks.com (Global: low place; Simple English: 4,590^th place)

doi.org (Global: 2^nd place; Simple English: 2^nd place)

foxnews.com (Global: 262^nd place; Simple English: 122^nd place)

free-condom-stuff.com (Global: low place; Simple English: 4,697^th place)

health.am (Global: low place; Simple English: 6,421^st place)

jci.org (Global: low place; Simple English: 7,371^st place)

mayoclinic.com (Global: 6,290^th place; Simple English: 1,389^th place)

monashchildrenshospital.org (Global: low place; Simple English: 7,954^th place)

msn.com (Global: 188^th place; Simple English: 89^th place)

newadvent.org (Global: 530^th place; Simple English: 111^th place)

newscientist.com (Global: 1,041^st place; Simple English: 477^th place)

nhsdirect.nhs.uk (Global: low place; Simple English: 8,163^rd place)

nih.gov (Global: 5^th place; Simple English: 5^th place)

semanticscholar.org (Global: 15^th place; Simple English: 11^th place)

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

worldcat.org (Global: 4^th place; Simple English: 6^th place)