비아그라에 대한 최고의 가이드

No, the dosage of Viagra isn’t dependant on somebody’s body weight. Alternatively, Viagra’s dosage is based in your age, how nicely your kidneys and liver are Doing work, And the way well the drug is effective on your erectile dysfunction.an erection that won't disappear (priapism). When you've got an erection that lasts more than four hrs, g