아무도 비아그라에 관한 사실 제안
VIAGRA contains sildenafil, which is similar medication located in another drug identified as REVATIO. REVATIO is utilized to deal with a unusual disorder termed pulmonary arterial hypertension (PAH).an erection that won't disappear (priapism). When you have an erection that lasts a lot more than four hrs, get clinical help right away. If It isn't