on the basis of the mic values and using din breakpoints , the percentual susceptibilities led to the following rank order : imipenem ( 91 % ) , ciprofloxacin ( 90 % ) , tobramycin ( 87 % ) , amikacin ( 87 % ) , ceftazidime ( 82 % ) , cefsulodin ( 76 % ) , piperacillin ( 71 % ) , azlocillin ( 62 % ) , followed by gentamicin , ceftriaxone , mezlocillin , netilmicin , and cefotaxime ( less than 50 % ) .
C0007561
ceftriaxone
C0007554
cefotaxime