title: Antigens of Rickettsia prowazeki. II. Activity in guinea pigs and exerimental vaccine production.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D000941:Antigens; D001428:Bacterial Vaccines / Q000627:therapeutic use*; D002473:Cell Wall / Q000276:immunology; D003168:Complement Fixation Tests; D003593:Cytoplasm / Q000276:immunology; D005019:Ethyl Ethers; D006168:Guinea Pigs; D008297:Male; D051379:Mice; D012283:Rickettsia prowazekii / Q000276:immunology*
chemical_list: D000941:Antigens; D001428:Bacterial Vaccines; D005019:Ethyl Ethers