title: A case-control study of oral contraceptive use in women with rheumatoid arthritis and their unaffected sisters.
authors.affiliation: Department of Epidemiology, London Hospital Medical College, UK.
authors.forename: J M
authors.initials: JM
authors.lastname: Hazes
authors.forename: A J
authors.initials: AJ
authors.lastname: Silman
authors.forename: R
authors.initials: R
authors.lastname: Brand
authors.forename: T D
authors.initials: TD
authors.lastname: Spector
authors.forename: D J
authors.initials: DJ
authors.lastname: Walker
authors.forename: J P
authors.initials: JP
authors.lastname: Vandenbroucke
mesh_terms: D001172:Arthritis, Rheumatoid / Q000453:epidemiology* / Q000517:prevention & control; D016022:Case-Control Studies; D003278:Contraceptives, Oral, Hormonal / Q000008:administration & dosage* / Q000009:adverse effects; D005260:Female; D006801:Humans; D009426:Netherlands / Q000453:epidemiology; D012307:Risk Factors; D012801:Sibling Relations
chemical_list: D003278:Contraceptives, Oral, Hormonal