DETAILED NOTES ON VIAGRA

Sildenafil is usually a strong and selective inhibitor of cGMP-precise phosphodiesterase variety 5 (PDE5), that is responsible for degradation of cGMP during the corpus cavernosum. The molecular composition of sildenafil is comparable to that of cGMP and acts as a aggressive binding agent of PDE5 while in the corpus cavernosum, resulting in extra c