아무도 논의하지 않는 비아그라의 영리한 비법
At solitary oral doses of a hundred mg and two hundred mg, transient dose-connected impairment of colour discrimination was detected utilizing the Farnsworth-Munsell one hundred-hue check, with peak consequences near the time of peak plasma ranges. This finding is in keeping with the inhibition of PDE6, which can be linked to phototransduction from