The intrafamilial transmission of rheumatoid arthritis. 3. The lack of support for a genetic hypothesis.
D000328:Adult; D000368:Aged; D001172:Arthritis, Rheumatoid / Q000453:epidemiology / Q000235:genetics*; D005191:Family Characteristics; D005260:Female; D006801:Humans; D008297:Male; D008824:Michigan; D008875:Middle Aged