title: Some requisites to making LD50's from different laboratories comparable.
authors.forename: B N
authors.initials: BN
authors.lastname: CRAVER
authors.forename: W E
authors.initials: WE
authors.lastname: BARRETT
authors.forename: A E
authors.initials: AE
authors.lastname: EARL
mesh_terms: D006801:Humans; D007753:Laboratories; D007928:Lethal Dose 50; D004364:Pharmaceutical Preparations
chemical_list: D004364:Pharmaceutical Preparations
keywords: DRUGS