David E Pace1, Mark R Borgaonkar2. 1. General surgeon, Memorial University of Newfoundland, St. John's, NL. 2. Gastroenterologist, Memorial University of Newfoundland, St. John's, NL.
Authors: Harminder Singh; William Poluha; Mary Cheung; Nicole Choptain; Ken I Baron; Shayne P Taback Journal: Cochrane Database Syst Rev Date: 2008-10-08