아무도 비아그라에 관한 사실 제안
At solitary oral doses of one hundred mg and 200 mg, transient dose-connected impairment of color discrimination was detected using the Farnsworth-Munsell a hundred-hue examination, with peak outcomes close to the time of peak plasma amounts. This locating is in line with the inhibition of PDE6, which is linked to phototransduction during the retin