RT Journal Article SR Electronic T1 Radiology for the surgeon JF Canadian Journal of Surgery JO CAN J SURG FD Canadian Medical Association SP 485 OP 486 VO 48 IS 6 A1 Nizar A. Al-Nakshabandi A1 Peter L. Munk YR 2005 UL http://canjsurg.ca/content/48/6/485.abstract