the in vitro antibacterial activity of nine cephalosporins ( cephalothin , cephaloridine , cephalexin , cefazolin , cefamandole , cefuroxime , cefatrizine , cefoxitin , and cefazaflur ) was determined against 344 strains of enterobacteriaceae and 99 nonfermentative gram-negative bacilli .
C0279516
antibacterial
C0007557
cefoxitin