title: The structure of the hemagglutinin, a determinant for the pathogenicity of influenza viruses.
mesh_terms: D000818:Animals; D002645:Chickens; D006389:Hemagglutinins, Viral / Q000032:analysis*; D009980:Influenza A virus / Q000032:analysis / Q000254:growth & development / Q000472:pathogenicity*; D010455:Peptides / Q000032:analysis; D013045:Species Specificity; D013329:Structure-Activity Relationship; D014764:Viral Proteins / Q000032:analysis*
chemical_list: D006389:Hemagglutinins, Viral; D010455:Peptides; D014764:Viral Proteins