RT Journal Article SR Electronic T1 Aortic tornado JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 90 OP 90 DO 10.1136/hrt.2004.038547 VO 91 IS 1 A1 Babu-Narayan, S V A1 Kilner, P J YR 2005 UL http://heart.bmj.com/content/91/1/90.abstract AB