비아그라에 대한 최종 가이드
At solitary oral doses of 100 mg and two hundred mg, transient dose-relevant impairment of color discrimination was detected utilizing the Farnsworth-Munsell 100-hue exam, with peak outcomes near the time of peak plasma ranges. This getting is consistent with the inhibition of PDE6, and that is involved in phototransduction from the retina.“Anyth