비아그라에 대한 새로운 단계별 지도

It’s also attainable that using Viagra may help shorten the refractory period of time. This is the time just after orgasm when the body recovers, and the penis returns to some flaccid point out. In the course of this time, the penis won't reply to sexual stimulation.Having Viagra may cause mild or serious Unwanted effects. Gentle effects may perh