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Li Y, Pederson JL, Churchill TA, Wagg AS, Holroyd-Leduc JM, Alagiakrishnan K, Padwal RS, Khadaroo RG.Li Y, et al.CMAJ. 2018 Feb 20;190(7):E184-E190. doi: 10.1503/cmaj.161403.CMAJ. 2018.PMID: 29565018Free PMC article.