title: Immunology: a facet of aging.
mesh_terms: D000368:Aged; D000375:Aging; D000917:Antibody Formation; D001323:Autoantibodies; D001402:B-Lymphocytes / Q000276:immunology; D006801:Humans; D007109:Immunity; D013601:T-Lymphocytes / Q000276:immunology
chemical_list: D001323:Autoantibodies