title: Letter: Immunological changes in women.
mesh_terms: D001327:Autoimmune Diseases; D003276:Contraceptives, Oral / Q000494:pharmacology; D005260:Female; D005836:Genitalia, Female / Q000276:immunology; D006801:Humans; D007109:Immunity; D007111:Immunity, Cellular; D009369:Neoplasms / Q000453:epidemiology / Q000276:immunology; D011247:Pregnancy; D012098:Reproduction
chemical_list: D003276:Contraceptives, Oral