비아그라에 대해 거의 알려지지 않은 사실.
Get hold of your health practitioner or find emergency clinical focus if your erection is unpleasant or lasts longer than 4 several hours. A prolonged erection (priapism) can hurt the penis.VIAGRA may well have an affect on the best way other medicines work, and also other medicines may have an effect on how VIAGRA works, leading to Unintended effe