A genetic study of rheumatoid arthritis and rheumatoid factor in Blackfeet and Pima Indians.
D000328:Adult; D000368:Aged; D001172:Arthritis, Rheumatoid / Q000453:epidemiology* / Q000235:genetics*; D005260:Female; D005828:Genetics, Population; D006306:Health Surveys; D006801:Humans; D007198:Indians, North American; D008297:Male; D008875:Middle Aged; D012217:Rheumatoid Factor / Q000032:analysis*; D012723:Sex; D014481:United States
D012217:Rheumatoid Factor