LITTLE KNOWN FACTS ABOUT VIAGRA.

Sildenafil is often a potent and selective inhibitor of cGMP-precise phosphodiesterase form five (PDE5), and that is accountable for degradation of cGMP in the corpus cavernosum. The molecular composition of sildenafil is similar to that of cGMP and acts like a aggressive binding agent of PDE5 in the corpus cavernosum, resulting in extra cGMP and i