the frequency with which resistant variants could be found in pseudomonas aeruginosa atcc 27853 during growth in media with and without antibiotics was determined for ticarcillin , piperacillin , cefotaxime , latamoxef , cefoperazone , ceftriaxone , ceftazidime , aztreonam and imipenem .
C0007554
cefotaxime
C0007561
ceftriaxone