비아그라에 대한 편견 없는 견해

PDE3 is included in charge of cardiac contractility. Sildenafil is barely about 10-fold as strong for PDE5 compared to PDE6, an enzyme present in the retina that is involved with the phototransduction pathway from the retina. This decrease selectivity is considered The idea for abnormalities related to coloration vision [see Pharmacodynamics].Nitra