Viagra Does Not Affect Sperm Quality
Thursday, February 21st, 2008Viagra indicated for treatment of erection dysfunction have no significant impact on the quality of sperm, according to a new study published in the Jan 17, 2008 issue of Journal of Urology. Viagra (sildenafil) by Pfizer and Levitra (vardenafil) by Bayer Pharmaceutical are Phosphodiesterase type 5 inhibitors which are the first ...
