[On the virulence of various phases of Rickettsia burneti].
D000818:Animals; D002642:Chick Embryo; D003168:Complement Fixation Tests; D003381:Coxiella / Q000472:pathogenicity*; D005321:Extraembryonic Membranes / Q000382:microbiology; D006168:Guinea Pigs; D051379:Mice; D011778:Q Fever / Q000382:microbiology; D013154:Spleen / Q000382:microbiology; D014774:Virulence
O virulentnosti razlichnykh faz rikketsiĭ Berneta.