title: Immunologic studies of juvenile rheumatoid arthritis.
mesh_terms: D000293:Adolescent; D000328:Adult; D000888:Antibodies, Anti-Idiotypic; D000974:Antibodies, Antinuclear; D001171:Arthritis, Juvenile / Q000276:immunology*; D002648:Child; D002675:Child, Preschool; D003165:Complement System Proteins; D005455:Fluorescent Antibody Technique; D006801:Humans; D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007841:Latex Fixation Tests; D012217:Rheumatoid Factor; D013582:Synovial Fluid / Q000032:analysis / Q000276:immunology*
chemical_list: D000888:Antibodies, Anti-Idiotypic; D000974:Antibodies, Antinuclear; D007070:Immunoglobulin A; D007074:Immunoglobulin G; D003165:Complement System Proteins; D012217:Rheumatoid Factor