비아그라에 대해 알려지지 않은 사실
VIAGRA has sildenafil, which is identical medication found in One more drug identified as REVATIO. REVATIO is used to deal with a scarce disease named pulmonary arterial hypertension (PAH).VIAGRA really should not be applied with REVATIO or with other PAH treatments that contains sildenafil or any other PDE5 inhibitors (for instance Adcirca [tadala