title: [State and problems of the serological method of study in the immunology of rickettsiosis].
mesh_terms: D000372:Agglutination Tests; D000818:Animals; D003168:Complement Fixation Tests; D006168:Guinea Pigs; D006386:Hemagglutination Tests; D006801:Humans; D008208:Lymphatic System / Q000276:immunology; D011778:Q Fever / Q000276:immunology; D012282:Rickettsia Infections / Q000276:immunology*; D012698:Serologic Tests; D014438:Typhus, Epidemic Louse-Borne / Q000276:immunology
vernacular_title: Sostoianie i zadachi serologicheskikh metodov issledovaniia v immunologii rikketsiozov