title: Radiographic appearance of osmium in the soft tissues of the knee in rheumatoid arthritis.
mesh_terms: D001172:Arthritis, Rheumatoid / Q000000981:diagnostic imaging*; D006801:Humans; D007717:Knee / Q000000981:diagnostic imaging*; D009992:Osmium / Q000627:therapeutic use; D011859:Radiography; D000074402:Synovectomy; D013583:Synovial Membrane / Q000000981:diagnostic imaging
chemical_list: D009992:Osmium