SILDENAFIL CITRATE (NOME COMMERCIALE VIAGRA ฎ) STUDI SCIENTIFICI

Kling J (1998). "From hypertension to angina to Viagra". Mod Drug Discov 1: 31–38. http://pubs.acs.org/hotartcl/mdd/98/novdec/viagra.html.

Bellis M. "Viagra, the patenting of an aphrodisiac". About.com. http://inventors.about.com/library/weekly/aa013099.htm. Retrieved on 2009-02-10. 

"Urban Dictionary: Vitamin V". Urban Dictionary. January 16, 2009. http://www.urbandictionary.com/define.php?term=Vitamin+V. Retrieved on 2009-02-10. 

Keith A (2000). "The economics of Viagra" (PDF). Health Aff (Millwood) 19 (2): 147–57. 10.1377/hlthaff.19.2.147. PMID 10718028. http://content.healthaffairs.org/cgi/reprint/19/2/147. Retrieved on 2009-02-10. 

McGuire, Stephen (1 January 2007). "Cialis gaining market share worldwide". Medical Marketing & Media. Haymarket Media. http://www.allbusiness.com/marketing-advertising/marketing-advertising-measures/10557040-1.html. Retrieved on 2009-02-10. 

Mullin, Rick (June 20, 2005). "Viagra". Chemical & Engineering News 83 (25). http://pubs.acs.org/cen/coverstory/83/8325/8325viagra.html. Retrieved on 2008-08-20. 

Berenson, Alex (December 4, 2005). "Sales of Impotence Drugs Fall, Defying Expectations". The New York Times. http://www.nytimes.com/2005/12/04/business/yourmoney/04impotence.html. Retrieved on 2008-08-20. 

"Over-the-counter Viagra piloted". BBC News. BBC News. 11 February 2007. http://news.bbc.co.uk/1/hi/health/6351171.stm. Retrieved on 2009-02-10. 

"Viagra ruling upsets Pfizer". Telegraph Media Group Limited. 23 January 2002. http://www.telegraph.co.uk/money/main.jhtml?xml=/money/2002/01/24/cnviag24.xml. Retrieved on 2009-02-10. 

"Pfizer Loses UK Battle on Viagra Patent". UroToday. Thomson Reuters. 17 June 2002. http://www.urotoday.com/browse_categories/erectile_dysfunction/pfizer_loses_uk_battle_on_viagra_patent.html. Retrieved on 2009-02-10. 

Webb, D.J.; Freestone, S.; Allen, M.J.; Muirhead, G.J. (March 4, 1999). "Sildenafil citrate and blood-pressure-lowering drugs: results of drug interaction studies with an organic nitrate and a calcium antagonist". Am. J. Cardiol. 83 (5A): 21C–28C. 10.1016/S0002-9149(99)00044-2. PMID 10078539. 

"Viagra Clinical Pharmacology". RxList.com. 2008. http://www.rxlist.com/cgi/generic/viagra_cp.htm. Retrieved on 2008-08-20. 

Vardi M, Nini A (2007). "Phosphodiesterase inhibitors for erectile dysfunction in patients with diabetes mellitus". Cochrane Database Syst Rev (1): CD002187. 10.1002/14651858.CD002187.pub3. PMID 17253475. 

Nurnberg HG, Hensley PL, Gelenberg AJ, Fava M, Lauriello J, Paine S (January 2003). "Treatment of antidepressant-associated sexual dysfunction with sildenafil: a randomized controlled trial". JAMA 289 (1): 56–64. 10.1001/jama.289.1.56. PMID 12503977. http://jama.ama-assn.org/cgi/content/full/289/1/56. 

Nurnberg HG, Hensley PL, Lauriello J, Parker LM, Keith SJ (August 1999). "Sildenafil for women patients with antidepressant-induced sexual dysfunction". Psychiatr Serv 50 (8): 1076–8. PMID 10445658. http://psychservices.psychiatryonline.org/cgi/content/full/50/8/1076. 

Nurnberg HG, Hensley PL, Heiman JR, Croft HA, Debattista C, Paine S (2008). "Sildenafil Treatment of Women With Antidepressant-Associated Sexual Dysfunction". JAMA 300 (4): 395–404. 10.1001/jama.300.4.395. PMID 18647982. 

Pfizer, Inc. (June 6, 2005). "FDA Approves Pfizer's Revatio as Treatment for Pulmonary Arterial Hypertension". 2005 News Releases. Pfizer. http://www.pfizer.com/pfizer/are/news_releases/2005pr/mn_2005_0606.jsp. Retrieved on December 27 2005. 

Richalet JP, Gratadour P, Robach P, et al. (2005). "Sildenafil inhibits altitude-induced hypoxemia and pulmonary hypertension". Am. J. Respir. Crit. Care Med. 171 (3): 275–81. 10.1164/rccm.200406-804OC. PMID 15516532. 

Perimenis P (2005). "Sildenafil for the treatment of altitude-induced hypoxaemia". Expert Opin Pharmacother 6 (5): 835–7. 10.1517/14656566.6.5.835. PMID 15934909. 

Fagenholz PJ, Gutman JA, Murray AF, Harris NS (2007). "Treatment of high altitude pulmonary edema at 4240 m in Nepal". High Alt. Med. Biol. 8 (2): 139–46. 10.1089/ham.2007.1055. PMID 17584008. 

"Source: Roger Clemens, host of athletes pop Viagra to help onfield performance". Daily News (Daily News). 10 June 2008. http://www.nydailynews.com/sports/baseball/yankees/2008/06/09/2008-06-09_source_roger_clemens_host_of_athletes_po.html. Retrieved on 2009-02-10. 

Peterson K (2001-03-21). "Young men add Viagra to their drug arsenal". USAToday. http://www.usatoday.com/news/health/2001-03-21-viagra-abuse.htm. 

Siegel-Itzkovich J (1999). "Viagra makes flowers stand up straight". Student BMJ (9). http://www.studentbmj.com/issues/99/09/news/313.php. 

"The 2007 Ig Nobel Prize Winners". Improbable Research. 4 October 2007. http://www.improbable.com/ig/ig-pastwinners.html#ig2007. Retrieved on 2009-02-10. 

Agostino, P. V.; Agostino PV, Plano SA, Golombek DA (2007). "Sildenafil accelerates reentrainment of circadian rhythms after advancing light schedules". Proc. Natl. Acad. Sci. U.S.A. 104 (23): 9834–9. 10.1073/pnas.0703388104. PMID 17519328. 

"Pill Identifier". Drugs.com. http://www.drugs.com/pill_identification.html. Retrieved on 2009-02-10. "This site is intended for viewing by the USA audience only. If you are in another country, local laws may not permit access to the medical information contained in this site." 

Cheitlin MD, Hutter AM Jr, Brindis RG, Ganz P, Kaul S, Russell RO Jr, Zusman RM (1999). "ACC/AHA expert consensus document. Use of sildenafil (Viagra) in patients with cardiovascular disease. American College of Cardiology/American Heart Association". Journal of the American College of Cardiology 33 (1): 273–82. 10.1016/S0735-1097(98)00656-1. PMID 9935041. 

VIAGRA Prescribing Information" (PDF). Pfizer. October 2007. http://www.pfizer.com/files/products/uspi_viagra.pdf. Retrieved on 2008-08-21. 

"Viagra and vision". VisionWeb. 29 October 2001. http://www.visionweb.com/content/consumers/dev_consumerarticles.jsp?RID=85. Retrieved on 2009-02-10. 

"FDA Updates Labeling for Viagra, Cialis and Levitra for Rare Post-Marketing Reports of Eye Problems". United States Food and Drug Administration. 8 July 2005. http://www.fda.gov/bbs/topics/NEWS/2005/NEW01201.html. Retrieved on 2009-02-10. 

"Nonarteritic ischemic optic neuropathy developing soon after use of sildenafil (viagra): a report of seven new cases". J Neuroophthalmol 25 (1): 9–13. 2005. PMID 15756125. 

"Sildenafil (Viagra) associated anterior ischemic optic neuropathy". Arch Ophthalmol 118 (2): 291–2. 2000. PMID 10676804. 

Pomeranz, H; Pomeranz HD, Smith KH, Hart WM, Egan RA (2002). "Sildenafil-associated nonarteritic anterior ischemic optic neuropathy". Ophthalmology 109 (3): 584–7. 10.1016/S0161-6420(01)00976-9. PMID 11874765. 

"Anterior ischemic optic neuropathy associated with viagra". J Neuroophthalmol 21 (1): 22–5. 2001. PMID 11315976. 

"A case of nonarteritic ischemic optic neuropathy (NAION) in a male patient taking sildenafil". Int J Clin Pharmacol Ther 40 (9): 422–3. 2002. PMID 12358159. 

 Akash, Raj; Akash R, Hrishikesh D, Amith P, Sabah S (2005). "Case report: association of combined nonarteritic anterior ischemic optic neuropathy (NAION) and obstruction of cilioretinal artery with overdose of Viagra". J Ocul Pharmacol Ther 24 (4): 315–7. 10.1089/jop.2005.21.315. PMID 16117695. 

"FDA Announces Revisions to Labels for Cialis, Levitra and Viagra". United States Food and Drug Administration. 18 October 2007. http://www.fda.gov/bbs/topics/NEWS/2007/NEW01730.html. Retrieved on 2009-02-10. 

Kloner RA (2005). "Pharmacology and drug interaction effects of the phosphodiesterase 5 inhibitors: focus on alpha-blocker interactions". Am J Cardiol 96 (12B): 42M–46M. 10.1016/j.amjcard.2005.07.011. PMID 16387566. 

Dunn PJ (2005). "Synthesis of Commercial Phosphodiesterase(V) Inhibitors". Org Process Res Dev 2005 (1): 88–97. 10.1021/op040019c.