antimicrobial agents with mics for 90 % of gentamicin-resistant strains in the susceptible range were ciprofloxacin , a-56619 , a-56620 , imipenem , sch-34343 , ceftazidime , aztreonam , carbenicillin , ticarcillin , and piperacillin .
C1136254
antimicrobial agents
C0008809
ciprofloxacin