title: [Immunogenetic studies on microorganisms. 32. Integration site of prophage P22 and genetic locus of O-20 in Salmonella chromosome].
mesh_terms: D000941:Antigens; D002876:Chromosomes, Bacterial; D000939:Epitopes; D012483:Salmonella Phages
chemical_list: D000941:Antigens; D000939:Epitopes