title: [Systematics and nomenclature of rickettsiae].
mesh_terms: D008722:Methods; D012281:Rickettsia / Q000145:classification; D012287:Rickettsiaceae / Q000145:classification*; D009626:Terminology as Topic; D014586:USSR; D014481:United States
vernacular_title: O sistematike i nomenklature rikketsiĭ.