Treatment of Erectile Dysfunction with Sildenafil
Urology, 53(1): 19-24, 2001
When Viagra was approved by the FDA in March 1998, patients here in Los Angeles were immediately enrolled in an independent trial of the product, examining the questions of optimal candidacy for the drug and also partner satisfaction (a first). This peer-reviewed article from Urology details that study.
(requires Adobe Acrobat Reader)