title: [A study of the immunological properties of the soluble antigen of Rickettsia prowazekii. 3. Immunologic properties of serologically "mute" fractions of soluble antigen].
mesh_terms: D000818:Animals; D000941:Antigens / Q000032:analysis* / Q000302:isolation & purification; D002852:Chromatography, Ion Exchange; D003168:Complement Fixation Tests; D006168:Guinea Pigs; D012283:Rickettsia prowazekii / Q000276:immunology*; D014438:Typhus, Epidemic Louse-Borne / Q000276:immunology*; D014611:Vaccination
chemical_list: D000941:Antigens
vernacular_title: Izuchenie immunologicheskikh svoĭstv rastvorimogo antigena 3. Immunologicheskie svoĭstva seserologicheskikh "nemykh" fraktsiĭ rastvorimogo antigena.