비아그라에 대한 새로운 단계별 지도

PDE3 is involved accountable for cardiac contractility. Sildenafil is just about 10-fold as potent for PDE5 in comparison to PDE6, an enzyme present in the retina which can be linked to the phototransduction pathway in the retina. This lessen selectivity is thought to be The idea for abnormalities linked to color eyesight [see Pharmacodynamics].Med