비아그라 - 개요

For PAH: Sildenafil will work by calming the muscles and opening up the blood vessels as part of your lungs. This decreases the hypertension in your lungs. Sildenafil slows down the progression of your illness. What's more, it helps make you far more in the position to workout.Viagra® and generic Viagra® comprise sildenafil, which is similar medi