비아그라에 대한 새로운 단계별 지도
At one oral doses of one hundred mg and 200 mg, transient dose-relevant impairment of shade discrimination was detected using the Farnsworth-Munsell 100-hue test, with peak outcomes near the time of peak plasma concentrations. This acquiring is in step with the inhibition of PDE6, that is involved with phototransduction inside the retina.The effect