비아그라를 위한 5가지 간단한 기술

At one oral doses of one hundred mg and 200 mg, transient dose-related impairment of coloration discrimination was detected utilizing the Farnsworth-Munsell a hundred-hue exam, with peak outcomes near the time of peak plasma amounts. This discovering is in line with the inhibition of PDE6, which is involved with phototransduction within the retina.