비아그라의 간단한 열쇠 공개
At solitary oral doses of 100 mg and two hundred mg, transient dose-related impairment of coloration discrimination was detected utilizing the Farnsworth-Munsell 100-hue exam, with peak outcomes near the time of peak plasma amounts. This discovering is in line with the inhibition of PDE6, which happens to be associated with phototransduction in the