비아그라에 대해 알려지지 않은 사실
Contact your doctor or seek crisis medical notice if your erection is painful or lasts lengthier than 4 hours. A protracted erection (priapism) can injury the penis.This ailment can raise your threat of priapism (painful, prolonged erection) as being a side influence. Your medical professional can advise irrespective of whether Cialis is a secure t