비아그라에 대해 거의 알려지지 않은 사실

Certainly, Viagra may make your erection final lengthier than common. This drug operates by supporting you will get and preserve an erection, meaning your erection can past extended than it did with no Viagra.But For those who have an erection that lasts lengthier than four hours, check with a physician immediately. This might be a health care cris