title: Heterogenous populations of C. burneti and selection analysis of them.
mesh_terms: D000818:Animals; D001431:Bacteriological Techniques; D002460:Cell Line; D002642:Chick Embryo; D002999:Clone Cells; D003470:Culture Media / Q000009:adverse effects; D014644:Genetic Variation; D006168:Guinea Pigs; D009154:Mutation; D012281:Rickettsia / Q000472:pathogenicity; D013997:Time Factors; D014774:Virulence
chemical_list: D003470:Culture Media