아무도 논의하지 않는 비아그라의 영리한 비법
At one oral doses of a hundred mg and two hundred mg, transient dose-relevant impairment of color discrimination was detected using the Farnsworth-Munsell 100-hue check, with peak effects close to the time of peak plasma ranges. This locating is consistent with the inhibition of PDE6, and that is associated with phototransduction during the retina.