title: [Strength of immunity to diphtheria in the Komi ASSR studied by using the indirect hemagglutination test (a preliminary report)].
mesh_terms: D000293:Adolescent; D000328:Adult; D002353:Carrier State / Q000276:immunology; D002648:Child; D002675:Child, Preschool; D004165:Diphtheria / Q000276:immunology*; D004166:Diphtheria Antitoxin / Q000032:analysis; D006386:Hemagglutination Tests; D006801:Humans; D007109:Immunity; D012426:Russia
chemical_list: D004166:Diphtheria Antitoxin
vernacular_title: Izuchenie napriazhennosti immuniteta k difterii v Komi ASSR s primeneniem RNGA (predvaritel'noe soobshchenie).