rochalimaea quintana , the etiological agent of trench fever , was tested by an agar dilution method for its susceptibility to the following 14 antibiotics : penicillin g , methicillin , ampicillin , cephalothin , vancomycin , doxycycline , tetracycline , erythromycin , chloramphenicol , streptomycin , kanamycin , rifampin , colistin , and amphotericin b .
C0030827
penicillin g
C0002680
ampicillin