DETAILED NOTES ON VIAGRA

Sildenafil is actually a potent and selective inhibitor of cGMP-precise phosphodiesterase variety five (PDE5), which happens to be chargeable for degradation of cGMP within the corpus cavernosum. The molecular structure of sildenafil is comparable to that of cGMP and acts as being a aggressive binding agent of PDE5 within the corpus cavernosum, res