100 % of the strains were susceptible to carbenicillin ( mic less than or equal to 128 mg/l ) , 97 % to piperacillin ( mic less than or equal to 16 ) , 86 % to metronidazole ( mic less than or equal to 4 ) , 70 % to ampicillin ( mic less than or equal to 4 ) and 68 % to cefalotin ( mic less than or equal to 8 ) .
C0031955
piperacillin
C0002680
ampicillin