the in vitro activity of ceftriaxone was compared with those of other recently introduced beta-lactam antimicrobial agents ( cefoperazone , cefotaxime , and moxalactam ) and with those of cefoxitin , clindamycin , and metronidazole against 227 strains of anaerobic bacteria .
C1136254
antimicrobial agents
C0025872
metronidazole