비아그라에 대한 5가지 간단한 기술
The most typical side effects of VIAGRA: headache; flushing; upset abdomen; irregular eyesight, for instance improvements in colour vision (for instance aquiring a blue colour tinge) and blurred eyesight; stuffy or runny nose; back suffering; muscle mass ache; nausea; dizziness; rash.an erection that won't disappear (priapism). In case you have an