RT Journal Article SR Electronic T1 Intussusception in adults JF Canadian Journal of Surgery JO CAN J SURG FD Canadian Medical Association SP E13 OP E14 VO 50 IS 6 A1 Kris P. Croome A1 Patrick H.D. Colquhoun YR 2007 UL http://canjsurg.ca/content/50/6/E13.abstract