비아그라에 대한 확실한 가이드

At solitary oral doses of 100 mg and two hundred mg, transient dose-relevant impairment of color discrimination was detected utilizing the Farnsworth-Munsell 100-hue test, with peak outcomes close to the time of peak plasma concentrations. This finding is consistent with the inhibition of PDE6, which happens to be associated with phototransduction

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