with cephalosporins , the blood and urine levels of cephalothin ( cet ) , cefoxitin ( cfx ) , cephalexin ( cex ) ( 2,3 ) , cefazolin ( cez ) ( 4 ) , cefuroxime ( cxm ) ( 5 ) , cephaloridine ( cer ) ( 6 ) and cefradine ( ced ) ( 7 ) determined by high-performance liquid chromatography ( hplc ) have been reported .
C3536856
cephalosporins
C0007562
cefuroxime