The epidemiology of rheumatoid arthritis: a review. I. Surveys.
D000293:Adolescent; D000328:Adult; D000368:Aged; D001172:Arthritis, Rheumatoid / Q000453:epidemiology*; D002031:Bulgaria; D002648:Child; D002675:Child, Preschool; D005260:Female; D006306:Health Surveys; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007563:Jamaica; D008297:Male; D008875:Middle Aged; D009426:Netherlands; D011647:Puerto Rico; D012959:Socioeconomic Factors; D014481:United States