the in vitro antimicrobial activity of the new carbapenem meropenem ( sm-7338 ) was determined by an agar dilution method in comparison with imipenem , ticarcillin/calvulanic acid , ceftazidime and the fourth-generation cephalosporin cefepime ( bmy 28142 ) .
C0006968
carbapenem
C0020933
imipenem