비아그라에 대한 5가지 쉬운 사실 설명

Sildenafil is excreted as metabolites predominantly while in the feces (about 80% of administered oral dose) and to a lesser extent in the urine (all-around thirteen% on the administered oral dose). If taken using a higher-fat food, absorption is lessened; enough time taken to achieve the maximum plasma concentration increases by all-around a perso