Authors: Ying Y Zhao; Matthew A Weir; Michael Manno; Peter Cordy; Tara Gomes; Daniel G Hackam; David N Juurlink; Muhammad Mamdani; Louise Moist; Chirag R Parikh; J Michael Paterson; Ron Wald; Zhan Yao; Amit X Garg Journal: Ann Intern Med Date: 2012-04-17 Impact factor: 25.391