on the basis of the 90 % minimal inhibitory concentration ( mic90 ) data , norfloxacin was 4-32 times more active than the next best antimicrobial tested against citrobacter freundii , escherichia coli , morganella morganii , proteus mirabilis , proteus vulgaris , haemophilus influenzae , neisseria gonorrhoeae and staphylococcus epidermidis , with overall mic90 less than or equal to 1 mg/l .
C0028365
norfloxacin
C1136254
antimicrobial