Pulmonary dysfunction in rheumatoid disease.
D001172:Arthritis, Rheumatoid / Q000150:complications* / Q000276:immunology; D001327:Autoimmune Diseases; D006801:Humans; D011658:Pulmonary Fibrosis / Q000209:etiology* / Q000276:immunology; D012217:Rheumatoid Factor; D012907:Smoking / Q000150:complications
D012217:Rheumatoid Factor