the in vitro activity of bmy-28142 , a new cephalosporin , was tested by a broth microdilution system and compared with those of cefotaxime , ceftazidime , cefoperazone , moxalactam , and hr 810 against 747 bacterial isolates , one-third of which were resistant to one or more third-generation cephalosporins .
C3536856
cephalosporin
C0007559
ceftazidime