amoxycillin/clavulanic acid ( fixed ratio of 2:1 ) and chloramphenicol inhibited 97.4 % of the isolates , metronidazole 95.4 % , piperacillin 92.4 % , ticarcillin 91.4 % , clindamycin 87.8 % , cefotetan 81.2 % , cefazolin 63.0 % , cefuroxime 60.4 % , erythromycin 57.8 % , penicillin 57.1 % and doxycycline 52.1 % .
C0040193
ticarcillin
C0030842
penicillin