비아그라 - 개요

At one oral doses of one hundred mg and 200 mg, transient dose-linked impairment of colour discrimination was detected using the Farnsworth-Munsell one hundred-hue check, with peak effects near the time of peak plasma stages. This getting is in line with the inhibition of PDE6, which can be linked to phototransduction inside the retina.There have b

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