title: Letter: Antibody response to A-England-42-72 influenza vaccine.
mesh_terms: D000328:Adult; D000914:Antibodies, Viral / Q000032:analysis*; D000917:Antibody Formation; D004739:England; D006723:Hong Kong; D006801:Humans; D007252:Influenza Vaccines; D007251:Influenza, Human / Q000276:immunology; D009975:Orthomyxoviridae / Q000276:immunology
chemical_list: D000914:Antibodies, Viral; D007252:Influenza Vaccines