title: CULTIVATION OF PATHOGENIC RICKETTSIAE IN CELL-FREE SEMISYNTHETIC NUTRIENT MEDIUM.
mesh_terms: D003470:Culture Media; D004171:Diploidy; D005502:Food; D008660:Metabolism; D008853:Microscopy; D012106:Research; D012281:Rickettsia
chemical_list: D003470:Culture Media
keywords: CULTURE MEDIA; EXPERIMENTAL LAB STUDY; METABOLISM; MICROSCOPY; RICKETTSIA