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An Escherichia coli antigen cross-reactive with the capsular polysaccharide of Haemophilus influenzae type b: occurrence among known serotypes, and immunochemical and biologic properties of E. coli antisera toward H. influenzae type b
An Escherichia coli antigen cross-reactive with the capsular polysaccharide of Haemophilus influenzae type b: occurrence among known serotypes, and immunochemical and biologic properties of E. coli antisera toward H. influenzae type b