비아그라에 대한 모든 것
Viagra® and generic Viagra® incorporate sildenafil, which is identical medicine found in One more drug termed Revatio®. Revatio® is utilized to treat a exceptional sickness called pulmonary arterial hypertension (PAH).Viagra can minimize blood flow for the optic nerve of the eye, triggering unexpected eyesight loss. This has transpired in a sma