비아그라에 대한 사실 공개

an erection that won't disappear (priapism). Should you have an erection that lasts in excess of 4 hours, get professional medical enable at once. If It's not taken care of instantly, priapism can forever damage your penis.But if you have an erection that lasts for a longer period than 4 several hours, check with a doctor instantly. This may become