비아그라에 대한 사실 아무도 제안하지 않음
At single oral doses of one hundred mg and 200 mg, transient dose-similar impairment of shade discrimination was detected using the Farnsworth-Munsell one hundred-hue examination, with peak consequences near the time of peak plasma amounts. This finding is consistent with the inhibition of PDE6, which happens to be involved with phototransduction i