synergistic antibacterial action ( defined as fic index less than or equal to 0.5 ) was found for 28 % of strains with imipenem/amikacin and imipenem/norfloxacin , in 23 % with imipenem/ofloxacin , and in 18 % with imipenem/ciprofloxacin .
C0279516
antibacterial
C0020933
imipenem