the isolates were sensitive to penicillin , ampicillin , ticarcillin , piperacillin , cephalothin , cefoxitin , cefotaxime , cefoperazone , n-formimidoyl-thienamycin , chloramphenicol , clindamycin and erythromycin .
C0030842
penicillin
C0031955
piperacillin