비아그라에 대한 새로운 단계별 지도
an erection that won't go away (priapism). When you've got an erection that lasts more than 4 several hours, get health-related assistance instantly. If It isn't taken care of at once, priapism can permanently injury your penis.Report your signs or symptoms and professional medical heritage to the US-certified health practitioner or nurse practitio