RT Journal Article SR Electronic T1 Risk factors for retained foreign bodies after surgery JF Canadian Journal of Surgery JO CAN J SURG FD Canadian Medical Association SP 57 OP 59 VO 47 IS 1 A1 Robin S. McLeod A1 John M.A. Bohnen A1 , YR 2004 UL http://canjsurg.ca/content/47/1/57.abstract