title: [On an evaluation of immunologic reactions with an antigen of Rickettsia prowazekii in febrile patients].
mesh_terms: D000917:Antibody Formation; D000941:Antigens; D003168:Complement Fixation Tests; D005334:Fever / Q000276:immunology*; D006801:Humans; D012283:Rickettsia prowazekii / Q000276:immunology*; D014438:Typhus, Epidemic Louse-Borne / Q000175:diagnosis* / Q000276:immunology
chemical_list: D000941:Antigens
vernacular_title: K otsenke immunologicheskikh reaktsiĭ s antigenom iz rikketsiĭ provacheka u likhoradiashchikh bol'nykh.