title: Studies on H-O variants in Salmonella in relation to phase variation.
mesh_terms: D000942:Antigens, Bacterial; D005407:Flagella / Q000276:immunology*; D005809:Genes, Regulator; D014644:Genetic Variation; D008854:Microscopy, Electron; D009154:Mutation; D010772:Phosphotungstic Acid; D012475:Salmonella / Q000254:growth & development / Q000276:immunology* / Q000302:isolation & purification; D012483:Salmonella Phages; D012486:Salmonella typhimurium / Q000254:growth & development / Q000276:immunology* / Q000302:isolation & purification; D012703:Serotyping; D013194:Staining and Labeling; D014161:Transduction, Genetic
chemical_list: D000942:Antigens, Bacterial; D010772:Phosphotungstic Acid