RT Journal Article SR Electronic T1 Intramural oesophageal dissection. JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 524 OP 527 DO 10.1136/thx.46.7.524 VO 46 IS 7 A1 J M Hanson A1 D Neilson A1 S H Pettit YR 1991 UL http://thorax.bmj.com/content/46/7/524.abstract AB