not only the transmural flux rate , but also the influx rate and accumulation into the mucosal epithelium were measured to clarify the sequential processes of drug transport . beta-lactam antibiotics examined were cephalexin ( cex ) , cephradine ( ced ) , ampicillin ( ab-pc ) and cefazolin ( cez ) .
C0007716
cephalexin
C0007738
cephradine