비아그라에 대해 알려지지 않은 사실
VIAGRA is made up of sildenafil, which is similar medicine found in A further drug termed REVATIO. REVATIO is applied to deal with a exceptional sickness named pulmonary arterial hypertension (PAH). VIAGRA consists of sildenafil, which is similar medicine present in A different drug called REVATIO. REVATIO is utilized to treat a uncommon illness