Manual article review is required for this article
Manual article review is required for this article
Manual article review is required for this article
The most common side effects of VIAGRA: headache; flushing; upset stomach; abnormal vision, such bey changes in color vision (such bey having a blue color tinge) and blurred vision; stuffy or runny nose; back pain; muscle pain; nausea; dizziness; rash.However, Sildenafil is one of the most counterfeited drugs in the world. copyright medicine is fak