title: Organ non-specific humoral immunity during ageing.
mesh_terms: D000328:Adult; D000368:Aged; D000375:Aging; D000917:Antibody Formation; D001402:B-Lymphocytes / Q000276:immunology; D005260:Female; D006801:Humans; D007111:Immunity, Cellular; D007156:Immunologic Memory; D008297:Male; D008875:Middle Aged; D012044:Regression Analysis; D013601:T-Lymphocytes / Q000276:immunology