비아그라에 대한 자세한 참고 사항
The commonest side effects of VIAGRA: headache; flushing; upset tummy; irregular vision, which include improvements in colour eyesight (including having a blue colour tinge) and blurred eyesight; stuffy or runny nose; back agony; muscle suffering; nausea; dizziness; rash. Of course, Viagra is often used as required for ED. If you and your physic