title: [Chemical exanthematous typhus vaccine. I. Immunogenic substance of Rickettsia prowazekii, its preparation and characteristics].
mesh_terms: D000818:Animals; D000941:Antigens / Q000302:isolation & purification*; D001428:Bacterial Vaccines; D006168:Guinea Pigs; D008722:Methods; D011817:Rabbits; D012283:Rickettsia prowazekii / Q000276:immunology*; D014438:Typhus, Epidemic Louse-Borne / Q000517:prevention & control*
chemical_list: D000941:Antigens; D001428:Bacterial Vaccines
vernacular_title: Khimicheskaia sypnotifoznaia vaktsina. Soobshchenie I. Immunogennaia substantsiia rikketsii Provacheka, ee poluchenie i kharakteristika.