비아그라에 대한 5가지 간단한 설명 설명
At solitary oral doses of 100 mg and two hundred mg, transient dose-linked impairment of colour discrimination was detected utilizing the Farnsworth-Munsell one hundred-hue test, with peak consequences close to the time of peak plasma stages. This finding is in line with the inhibition of PDE6, which is involved with phototransduction inside the re