TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 20 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : ABANAE Antibiotics Annual. (New York, NY) 1953-60. For publisher information, see AMACCQ. Volume(issue)/page/year: 1,174,1953/1954