비아그라에 대한 5가지 간단한 설명 설명

At single oral doses of a hundred mg and 200 mg, transient dose-associated impairment of coloration discrimination was detected using the Farnsworth-Munsell a hundred-hue examination, with peak effects close to the time of peak plasma ranges. This getting is in keeping with the inhibition of PDE6, which can be involved in phototransduction while in