of 150 isolates of pseudomonas aeruginosa ( 55 % of which were resistant to gentamicin ) , only 9 % were resistant to 8 mg/l of ceftazidime and 2 % to cefsulodin , both of which were more active than cefotaxime , ceftriaxone , cefoperazone or moxalactam .
C0007554
cefotaxime
C0007561
ceftriaxone