RT Journal Article SR Electronic T1 “GERD” as a risk factor for esophageal cancer JF Canadian Journal of Surgery JO CAN J SURG FD Canadian Medical Association SP 208 OP 210 VO 46 IS 3 A1 Harry J.A. Henteleff A1 Gail Darling A1 , YR 2003 UL http://canjsurg.ca/content/46/3/208.abstract