the following results were obtained from the comparison of cefoperazone ( cpz ) with cefazolin ( cez ) , cephalothin ( cet ) and cefoxitin ( cfx ) in respect to their antibacterial action against anaerobic bacteria : 1 ) cpz showed an antibacterial spectrum which was comparable to those of the known antibiotics , cez , cet and cfx .
C0279516
antibacterial
C0007546
cez