비아그라에 대해 거의 알려지지 않은 사실

sudden eyesight decline in one or each eyes. Sudden vision loss in a single or both eyes can be a sign of a significant eye trouble called non-arteritic anterior ischemic optic neuropathy (NAION).The following occasions happened in < 2% of people in managed clinical trials; a causal marriage to VIAGRA is unsure. Noted gatherings include People whic