비아그라에 대한 5가지 간단한 설명 설명
PDE3 is included in charge of cardiac contractility. Sildenafil is only about 10-fold as strong for PDE5 when compared with PDE6, an enzyme located in the retina that's linked to the phototransduction pathway on the retina. This lower selectivity is regarded as The idea for abnormalities connected to color eyesight [see Pharmacodynamics].No, the do