비아그라에 대해 알려지지 않은 사실
At single oral doses of one hundred mg and 200 mg, transient dose-related impairment of color discrimination was detected utilizing the Farnsworth-Munsell a hundred-hue check, with peak outcomes close to the time of peak plasma levels. This obtaining is in keeping with the inhibition of PDE6, which happens to be involved in phototransduction in the