Graham Michelle M, Higginson Lyall, Brindley Peter G, Jetly Rakesh
Department of Medicine, University of Alberta, Edmonton, Alberta, Canada.
Department of Medicine, University of Ottawa, Ottawa, Ontario, Canada.
Can J Cardiol. 2020 Jun;36(6):789-791. doi: 10.1016/j.cjca.2020.04.012. Epub 2020 Apr 16.