title: Synovial fluid ferritin in rheumatoid arthritis.
mesh_terms: D001172:Arthritis, Rheumatoid / Q000097:blood / Q000378:metabolism*; D005293:Ferritins / Q000378:metabolism*; D006801:Humans; D010003:Osteoarthritis / Q000378:metabolism; D013582:Synovial Fluid / Q000378:metabolism*
chemical_list: D005293:Ferritins