title: Comparative characteristics of "ether" and "non-ether" soluble ricketssia prowazekii antigens and electron microscopy findings on the morphology of the rickettsiae during isolation of the antigens.
mesh_terms: D000818:Animals; D000941:Antigens / Q000302:isolation & purification*; D000942:Antigens, Bacterial / Q000302:isolation & purification; D002642:Chick Embryo; D003168:Complement Fixation Tests; D046508:Culture Techniques; D004987:Ethers; D006386:Hemagglutination Tests; D005779:Immunodiffusion; D008168:Lung; D051379:Mice; D008854:Microscopy, Electron; D012283:Rickettsia prowazekii / Q000166:cytology / Q000276:immunology*; D012995:Solubility
chemical_list: D000941:Antigens; D000942:Antigens, Bacterial; D004987:Ethers