title: The extra-articular features of rheumatoid arthritis. A systematic analysis of 127 cases.
mesh_terms: D000368:Aged; D001172:Arthritis, Rheumatoid / Q000175:diagnosis* / Q000276:immunology / Q000401:mortality; D005132:Eye Manifestations; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007136:Immunoglobulins / Q000032:analysis; D008199:Lymphadenitis / Q000175:diagnosis; D008297:Male; D008875:Middle Aged; D010493:Pericarditis / Q000175:diagnosis; D010523:Peripheral Nervous System Diseases / Q000175:diagnosis; D011379:Prognosis; D011658:Pulmonary Fibrosis / Q000175:diagnosis; D012215:Rheumatic Nodule / Q000175:diagnosis; D012217:Rheumatoid Factor / Q000032:analysis; D012883:Skin Ulcer / Q000175:diagnosis; D013163:Splenomegaly / Q000175:diagnosis; D014652:Vascular Diseases / Q000175:diagnosis
chemical_list: D007136:Immunoglobulins; D012217:Rheumatoid Factor