title: Oral contraception and its possible protection against rheumatoid arthritis.
authors.affiliation: ARC Epidemiology Research Unit, University of Manchester.
authors.forename: J M
authors.initials: JM
authors.lastname: Hazes
authors.forename: D
authors.initials: D
authors.lastname: van Zeben
mesh_terms: D001172:Arthritis, Rheumatoid / Q000517:prevention & control*; D003276:Contraceptives, Oral / Q000627:therapeutic use*; D004198:Disease Susceptibility; D005260:Female; D012739:Gonadal Steroid Hormones / Q000502:physiology; D006801:Humans; D012307:Risk Factors
chemical_list: D003276:Contraceptives, Oral; D012739:Gonadal Steroid Hormones