title: [Duration of antitoxin diphtheria immunity].
mesh_terms: D004166:Diphtheria Antitoxin / Q000276:immunology*; D006801:Humans; D007109:Immunity; D013997:Time Factors
chemical_list: D004166:Diphtheria Antitoxin
vernacular_title: O prodolzhitel'nosti antitoksicheskogo protivodifteriĭnogo immuniteta.