아무도 비아그라에 관한 사실 제안
At solitary oral doses of 100 mg and 200 mg, transient dose-linked impairment of shade discrimination was detected using the Farnsworth-Munsell one hundred-hue check, with peak consequences close to the time of peak plasma amounts. This discovering is according to the inhibition of PDE6, which happens to be involved with phototransduction in the re