비아그라 기본 사항 설명

At single oral doses of 100 mg and two hundred mg, transient dose-relevant impairment of colour discrimination was detected using the Farnsworth-Munsell a hundred-hue take a look at, with peak effects close to the time of peak plasma levels. This getting is in keeping with the inhibition of PDE6, and that is associated with phototransduction during

read more