the antibacterial agents tested were as follows : ampicillin , sulbenicillin , piperacillin , mezlocillin , cefazolin , cefmetazole , cefoperazone , cefotaxime , ceftizoxime , kanamycin , gentamicin , tobramycin , amikacin , tetracycline , doxycycline , minocycline , nalidixic acid , pipemidic acid , erythromycin and clindamycin .
C0279516
antibacterial agents
C0008947
clindamycin