비아그라는 무엇을 의미합니까?
VIAGRA contains sildenafil, which is similar drugs located in One more drug named REVATIO. REVATIO is utilized to deal with a uncommon disorder known as pulmonary arterial hypertension (PAH).Sildenafil boosts the result of NO by inhibiting phosphodiesterase kind 5 (PDE5), which is to blame for degradation of cGMP while in the corpus cavernosum. Sil