비아그라에 대한 새로운 단계별 지도

Sildenafil is excreted as metabolites predominantly while in the feces (about eighty% of administered oral dose) also to a lesser extent within the urine (around 13% on the administered oral dose). If taken which has a large-Excess fat food, absorption is diminished; the time taken to reach the maximum plasma focus raises by around 1 hour, and the