TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 7800 ug/kg TOXIC EFFECTS : Behavioral - convulsions or effect on seizure threshold Behavioral - muscle weakness Lungs, Thorax, or Respiration - respiratory depression REFERENCE : BJPCAL British Journal of Pharmacology and Chemotherapy. (London, UK) V.1-33, 1946-68. For publisher information, see BJPCBM. Volume(issue)/page/year: 12,312,1957