McDonald Emily G, Dounaevskaia Vera, Lee Todd C
Division of General Internal Medicine, Department of Medicine, McGill University Health Centre, Montreal, Quebec, Canada.
Division of Internal Medicine, Department of Medicine, St Michael's Hospital, University of Toronto, Toronto, Ontario, Canada.
JAMA Intern Med. 2014 Nov;174(11):1865-7. doi: 10.1001/jamainternmed.2014.4513.