title: [Rheumatoid factor isotypes and immune complex isotypes in juvenile rheumatoid arthritis].
mesh_terms: D000293:Adolescent; D000936:Antigen-Antibody Complex / Q000032:analysis*; D001171:Arthritis, Juvenile / Q000145:classification / Q000175:diagnosis*; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007132:Immunoglobulin Isotypes / Q000032:analysis*; D007223:Infant; D008297:Male; D012217:Rheumatoid Factor / Q000032:analysis*
chemical_list: D000936:Antigen-Antibody Complex; D007132:Immunoglobulin Isotypes; D012217:Rheumatoid Factor