title: 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.
mesh_terms: D001963:Bromelains; D003429:Cross Reactions; D000939:Epitopes; D006389:Hemagglutinins, Viral / Q000302:isolation & purification*; D005779:Immunodiffusion; D009975:Orthomyxoviridae / Q000276:immunology*; D012967:Sodium Dodecyl Sulfate
chemical_list: D000939:Epitopes; D006389:Hemagglutinins, Viral; D012967:Sodium Dodecyl Sulfate; D001963:Bromelains