title: [Chronic rheumatoid arthritis].
mesh_terms: D000936:Antigen-Antibody Complex; D001167:Arteritis / Q000276:immunology; D001172:Arthritis, Rheumatoid / Q000276:immunology*; D006801:Humans; D007962:Leukocytes / Q000201:enzymology; D003012:Microbial Collagenase / Q000097:blood; D010196:Pancreatic Elastase / Q000097:blood; D012217:Rheumatoid Factor
chemical_list: D000936:Antigen-Antibody Complex; D012217:Rheumatoid Factor; D010196:Pancreatic Elastase; D003012:Microbial Collagenase