title: Serologic analysis of Escherichia K12 HfrCxShigella flexneri 1a recombinants.
mesh_terms: D000372:Agglutination Tests; D000942:Antigens, Bacterial; D003433:Crosses, Genetic; D004926:Escherichia coli / Q000276:immunology*; D008722:Methods; D009154:Mutation; D011995:Recombination, Genetic; D012698:Serologic Tests; D012760:Shigella / Q000276:immunology*; D012763:Shigella flexneri / Q000276:immunology
chemical_list: D000942:Antigens, Bacterial