Influence of oral contraception on the occurrence of rheumatoid arthritis in female sibs.
Department of Epidemiology, London Hospital Medical College, England.
J M
JM
Hazes
A J
AJ
Silman
R
R
Brand
T D
TD
Spector
D J
DJ
Walker
J P
JP
Vandenbroucke
D001172:Arthritis, Rheumatoid / Q000453:epidemiology* / Q000235:genetics / Q000517:prevention & control; D016022:Case-Control Studies; D003276:Contraceptives, Oral / Q000494:pharmacology*; D005260:Female; D006801:Humans; D008875:Middle Aged; D015995:Prevalence
D003276:Contraceptives, Oral