RT Journal Article SR Electronic T1 Diseases of the thoracic aorta JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 227 OP 234 DO 10.1136/hrt.86.2.227 VO 86 IS 2 A1 Raimund Erbel YR 2001 UL http://heart.bmj.com/content/86/2/227.abstract AB