Cardiac valvular lesions in rheumatoid arthritis.
D000368:Aged; D001172:Arthritis, Rheumatoid / Q000150:complications / Q000473:pathology*; D006349:Heart Valve Diseases / Q000209:etiology; D006351:Heart Valves / Q000473:pathology*; D006801:Humans; D008297:Male; D009206:Myocardium / Q000473:pathology; D010496:Pericardium / Q000473:pathology; D012218:Rheumatoid Nodule / Q000473:pathology*