비아그라에 대해 알려지지 않은 사실
At one oral doses of one hundred mg and two hundred mg, transient dose-relevant impairment of coloration discrimination was detected using the Farnsworth-Munsell 100-hue exam, with peak consequences close to the time of peak plasma concentrations. This finding is according to the inhibition of PDE6, which happens to be linked to phototransduction i