LITTLE KNOWN FACTS ABOUT VIAGRA.

This metabolite contains a PDE selectivity profile similar to sildenafil and an in vitro potency for PDE5 around 50% with the dad or mum drug. Plasma concentrations of this metabolite are close to forty% of These viewed for sildenafil, so that the metabolite accounts for around 20% of sildenafil's pharmacologic effects.More details is required to k