비아그라에 대해 알려지지 않은 사실

At single oral doses of a hundred mg and two hundred mg, transient dose-linked impairment of shade discrimination was detected using the Farnsworth-Munsell a hundred-hue take a look at, with peak results close to the time of peak plasma stages. This locating is in step with the inhibition of PDE6, and that is linked to phototransduction during the