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Studies on antigenic variation in influenza virus. Evidence for multiple antigenic determinants on the hemagglutinin subunits of A-Hong Kong-68 (H3 N2) virus and the A-England-72 strains
Studies on antigenic variation in influenza virus. Evidence for multiple antigenic determinants on the hemagglutinin subunits of A-Hong Kong-68 (H3 N2) virus and the A-England-72 strains