the collected strains were tested with disks of nine antibacterial drugs in common use : the survey detected sensitivity of all the strains to cephaloridine , ampicillin , carbenicillin , kanamycin and gentamicin , whereas a fair percentage of resistance appeared to streptomycin , tetracycline , chloramphenicol and cotrimoxazole .
C0279516
antibacterial drugs
C0008168
chloramphenicol