title: The total complement activity of synovial fluid in juvenile forms of arthritis.
mesh_terms: D000293:Adolescent; D000367:Age Factors; D001171:Arthritis, Juvenile / Q000276:immunology / Q000378:metabolism*; D001172:Arthritis, Rheumatoid / Q000276:immunology / Q000378:metabolism; D002648:Child; D002675:Child, Preschool; D003165:Complement System Proteins / Q000032:analysis*; D006801:Humans; D007223:Infant; D012217:Rheumatoid Factor / Q000032:analysis; D012698:Serologic Tests; D013582:Synovial Fluid / Q000032:analysis*
chemical_list: D003165:Complement System Proteins; D012217:Rheumatoid Factor