a microbroth dilution method was used to measure the mics of cefpiramide ( sm 1652 ) , cefotaxime , moxalactam , ceftazidime , cefoperazone , ceftriaxone , piperacillin , and mezlocillin against 921 isolates of gram-negative ( 701 ) and gram-positive ( 220 ) bacteria .
C0007554
cefotaxime
C0007561
ceftriaxone