RT Journal Article SR Electronic T1 Chronic post-thoracotomy pain syndrome JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1027 OP 1027 DO 10.1503/cmaj.061196 VO 177 IS 9 A1 Strebel, Bruno M. A1 Ross, Steffen YR 2007 UL http://www.cmaj.ca/content/177/9/1027.1.abstract