비아그라의 5가지 필수 요소

VIAGRA contains sildenafil, which is similar drugs found in A different drug known as REVATIO. REVATIO is applied to treat a unusual sickness referred to as pulmonary arterial hypertension (PAH).Sildenafil could cause a serious drop in the blood pressure when employed with nitrates. A significant drop in blood pressure level can lead to dizziness,