title: Serologic analysis of Lac+ recombinants of E. coli HfrC and Shigella flexneri 2A.
mesh_terms: D000372:Agglutination Tests; D000942:Antigens, Bacterial / Q000276:immunology; D003227:Conjugation, Genetic; D004926:Escherichia coli / Q000235:genetics* / Q000276:immunology; D007763:Lac Operon / Q000235:genetics*; D011995:Recombination, Genetic; D012763:Shigella flexneri / Q000235:genetics* / Q000276:immunology
chemical_list: D000942:Antigens, Bacterial