DETAILED NOTES ON VIAGRA

Sildenafil is really a potent and selective inhibitor of cGMP-specific phosphodiesterase type five (PDE5), which can be liable for degradation of cGMP within the corpus cavernosum. The molecular structure of sildenafil is analogous to that of cGMP and functions being a competitive binding agent of PDE5 in the corpus cavernosum, leading to a lot mor