minimal inhibitory ( mic ) and minimal lethal concentrations ( mlc ) of ampicillin , mezlocillin , piperacillin , cephalothin , cefamandole cefoxitin , cefuroxime , cefotaxime , gentamicin , and doxycycline against 44 strain of listeria monocytogenes from clinical specimens were determined by broth dilution tests .
C0002680
ampicillin
C0031955
piperacillin