A case-control study of oral contraceptive use in women with rheumatoid arthritis and their unaffected sisters.
Hazes
J M
JM
Department of Epidemiology, London Hospital Medical College, UK.
Silman
A J
AJ
Brand
R
R
Spector
T D
TD
Walker
D J
DJ
Vandenbroucke
J P
JP
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
D003278:Contraceptives, Oral, Hormonal