비아그라에 대한 주요 지침
VIAGRA incorporates sildenafil, which is the same medicine found in An additional drug referred to as REVATIO. REVATIO is utilised to deal with a rare disease referred to as pulmonary arterial hypertension (PAH).Sildenafil boosts the result of NO by inhibiting phosphodiesterase type 5 (PDE5), which is answerable for degradation of cGMP in the corpu