title: Arthritis.
mesh_terms: D001172:Arthritis, Rheumatoid / Q000503:physiopathology*; D006801:Humans; D007249:Inflammation / Q000503:physiopathology; D007596:Joints / Q000503:physiopathology; D012217:Rheumatoid Factor
chemical_list: D012217:Rheumatoid Factor