Detailed Notes on viagra
Sildenafil is really a powerful and selective inhibitor of cGMP-specific phosphodiesterase kind 5 (PDE5), which is answerable for degradation of cGMP in the corpus cavernosum. The molecular framework of sildenafil is similar to that of cGMP and acts as a aggressive binding agent of PDE5 inside the corpus cavernosum, leading to extra cGMP and elevat