Facts About viagra Revealed
Sildenafil is a strong and selective inhibitor of cGMP-distinct phosphodiesterase form five (PDE5), which is liable for degradation of cGMP while in the corpus cavernosum. The molecular framework of sildenafil is comparable to that of cGMP and acts like a competitive binding agent of PDE5 within the corpus cavernosum, resulting in extra cGMP and am