title: The mechanism of antigenic drift in influenza virus: sequence changes in the haemagglutinin of variants selected with monoclonal hybridoma antibodies.
mesh_terms: D000595:Amino Acid Sequence; D000596:Amino Acids / Q000032:analysis; D000914:Antibodies, Viral; D000918:Antibody Specificity; D002999:Clone Cells / Q000276:immunology; D003429:Cross Reactions; D014644:Genetic Variation; D006389:Hemagglutinins, Viral / Q000235:genetics*; D006822:Hybrid Cells / Q000276:immunology; D009980:Influenza A virus / Q000235:genetics / Q000276:immunology*; D010446:Peptide Fragments / Q000032:analysis
chemical_list: D000596:Amino Acids; D000914:Antibodies, Viral; D006389:Hemagglutinins, Viral; D010446:Peptide Fragments