A five year prospective study of rheumatoid factor tests in juvenile rheumatoid arthritis.
D000293:Adolescent; D000328:Adult; D001171:Arthritis, Juvenile / Q000175:diagnosis* / Q000276:immunology*; D002648:Child; D002675:Child, Preschool; D005260:Female; D006386:Hemagglutination Tests; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007841:Latex Fixation Tests; D008297:Male; D008875:Middle Aged; D011446:Prospective Studies; D012217:Rheumatoid Factor / Q000032:analysis*
D012217:Rheumatoid Factor