the association of 11 betalactam antibiotics ( carbenicillin , ticarcillin , azlocillin , piperacillin , mezlocillin , cefotaxim , cefoperazone , ceftriaxon , moxalactam , cefsulodin , ceftazidim ) with each of the 3 aminoglycosides ( gentamicin , tobramycin , amikacin ) were studied by the broth dilution method ( `` '' checkboard '' '' technic ) against 6 strains of pseudomonas aeruginosa chosen as a function of their `` '' phenotype '' '' .
C0007554
cefotaxim
C0007561
ceftriaxon