title: Biological activity of monoclonal antibodies to operationally defined antigenic regions on the hemagglutinin molecule of A/Seal/Massachusetts/1/80 (H7N7) influenza virus.
mesh_terms: D000911:Antibodies, Monoclonal; D000914:Antibodies, Viral; D000918:Antibody Specificity; D000937:Antigen-Antibody Reactions; D000939:Epitopes; D006389:Hemagglutinins, Viral / Q000276:immunology*; D053126:Influenza A Virus, H7N7 Subtype; D009980:Influenza A virus / Q000276:immunology*
chemical_list: D000911:Antibodies, Monoclonal; D000914:Antibodies, Viral; D000939:Epitopes; D006389:Hemagglutinins, Viral