비아그라에 대해 알려지지 않은 사실
At one oral doses of one hundred mg and two hundred mg, transient dose-linked impairment of shade discrimination was detected using the Farnsworth-Munsell one hundred-hue check, with peak outcomes near the time of peak plasma amounts. This locating is in line with the inhibition of PDE6, which is involved in phototransduction inside the retina.Desp