legionella pneumophila , in buffered yeast extract broth , was treated for 5 h at 37 degrees c with rosaramicin , erythromycin , cefotaxime , dibekacin , penicillin , methicillin , cefoxitin , cephalothin , ticarcillin , carbenicillin or polymyxin b at near-mic levels and above .
C0030842
penicillin
C0040193
ticarcillin