Extraarticular manifestations of rheumatoid arthritis.
D000818:Animals; D001172:Arthritis, Rheumatoid / Q000150:complications* / Q000276:immunology; D006331:Heart Diseases / Q000209:etiology; D006402:Hematologic Diseases / Q000209:etiology; D006801:Humans; D008171:Lung Diseases / Q000209:etiology; D010523:Peripheral Nervous System Diseases / Q000209:etiology; D014657:Vasculitis / Q000209:etiology