Grigorios I Leontiadis1. 1. Department of Medicine, Division of Gastroenterology, Farncombe Family Digestive Health Research Institute, McMaster University Health Sciences Centre, Hamilton, Ontario, Canada.
Authors: Gordon H Guyatt; Andrew D Oxman; Gunn E Vist; Regina Kunz; Yngve Falck-Ytter; Pablo Alonso-Coello; Holger J Schünemann Journal: BMJ Date: 2008-04-26