Gulamhusein Husayn, Yun Lingsong, Cheung Angela M, Sutradhar Rinku, Paszat Lawrence, Warde Padraig, Alibhai Shabbir M H
Department of Medicine, University Health Network, Toronto, Ontario, Canada.
Institute for Clinical Evaluative Sciences, University of Toronto, Toronto, Ontario, Canada.
JAMA. 2014 Dec 3;312(21):2285-6. doi: 10.1001/jama.2014.14038.