title: Complete structure of A/duck/Ukraine/63 influenza hemagglutinin gene: animal virus as progenitor of human H3 Hong Kong 1968 influenza hemagglutinin.
mesh_terms: D000595:Amino Acid Sequence; D000818:Animals; D001483:Base Sequence; D003001:Cloning, Molecular; D004372:Ducks / Q000382:microbiology; D000939:Epitopes; D005814:Genes, Viral; D006389:Hemagglutinins, Viral / Q000235:genetics* / Q000276:immunology; D009980:Influenza A virus / Q000235:genetics* / Q000276:immunology; D009154:Mutation
chemical_list: D000939:Epitopes; D006389:Hemagglutinins, Viral