비아그라에 대한 5가지 쉬운 사실 설명

Even though sildenafil increases some markers of ailment in those with pulmonary arterial hypertension, it doesn't seem to have an impact on the risk of death or significant side effects.[20] Raynaud's phenomenonIn case you’ve currently experienced NAION or have crowded optic disc, you could have a higher chance for NAION and eyesight alterations