Calcification of the aorta and main vessels in rheumatoid arthritis.
D000293:Adolescent; D001018:Aortic Diseases / Q000209:etiology*; D001172:Arthritis, Rheumatoid / Q000150:complications*; D002114:Calcinosis / Q000209:etiology*; D004562:Electrocardiography; D006801:Humans; D008297:Male; D011859:Radiography; D013902:Radiography, Thoracic