title: A study of the O and protein antigens of Salmonella adelaide and Escherichia coli 0111:B4 by agar diffusion techniques.
mesh_terms: D000942:Antigens, Bacterial / Q000032:analysis*; D001426:Bacterial Proteins / Q000032:analysis*; D004926:Escherichia coli / Q000276:immunology*; D005779:Immunodiffusion; D007122:Immunoelectrophoresis; D066298:In Vitro Techniques; D008722:Methods; D011135:Polysaccharides, Bacterial / Q000032:analysis; D012475:Salmonella / Q000276:immunology*
chemical_list: D000942:Antigens, Bacterial; D001426:Bacterial Proteins; D011135:Polysaccharides, Bacterial