아무도 제안하지 않는 비아그라에 대한 사실

[33] Scientific tests on the results of sildenafil when utilised recreationally are limited, but advise it has minor effect when used by those who would not have erectile dysfunction. In a single examine, a 25 mg dose was demonstrated to result in no substantial improve in erectile excellent, but did reduce the postejaculatory refractory time.[34]