title: Chemical and immunological properties of diphtheria toxoid purified by ammonium sulfate fractionation.
authors.forename: L
authors.initials: L
authors.lastname: LEVINE
authors.forename: L
authors.initials: L
authors.lastname: WYMAN
authors.forename: G
authors.initials: G
authors.lastname: EDSALL
mesh_terms: D000645:Ammonium Sulfate; D004165:Diphtheria; D004168:Diphtheria Toxoid
chemical_list: D004168:Diphtheria Toxoid; D000645:Ammonium Sulfate