title: Rheumatoid arthritis, the pill, and self-selection.
mesh_terms: D001172:Arthritis, Rheumatoid / Q000139:chemically induced*; D003276:Contraceptives, Oral / Q000009:adverse effects*; D004812:Epidemiologic Methods; D005260:Female; D006801:Humans
chemical_list: D003276:Contraceptives, Oral