비아그라에 대해 알려지지 않은 사실

VIAGRA has sildenafil, which is identical drugs found in An additional drug named REVATIO. REVATIO is utilised to deal with a exceptional sickness called pulmonary arterial hypertension (PAH). get any medicines named nitrates, generally prescribed for upper body agony, or guanylate cyclase stimulators like Adempas (riociguat) for pulmonary hyper