title: [Primary chronic polyarthritis (rheumatoid arthritis). Diagnosis and differential diagnosis].
mesh_terms: D016918:Arthritis, Reactive / Q000175:diagnosis; D001172:Arthritis, Rheumatoid / Q000175:diagnosis*; D001327:Autoimmune Diseases / Q000175:diagnosis; D002908:Chronic Disease; D003093:Colitis, Ulcerative / Q000150:complications; D003424:Crohn Disease / Q000150:complications; D003937:Diagnosis, Differential; D006073:Gout / Q000175:diagnosis; D006227:Hand Deformities, Acquired / Q000000981:diagnostic imaging; D006801:Humans; D009333:Neck / Q000000981:diagnostic imaging; D011859:Radiography; D012213:Rheumatic Fever / Q000175:diagnosis; D012217:Rheumatoid Factor; D012507:Sarcoidosis / Q000150:complications; D013167:Spondylitis, Ankylosing / Q000175:diagnosis
chemical_list: D012217:Rheumatoid Factor
vernacular_title: Primär chronische Polyarthritis (rheumatoid Arthritis). Diagnose und Differentialdiagnose.