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Cantor WJ, Brunet F, Ziegler CP, Kiss A, Morrison LJ.Cantor WJ, et al. Among authors: morrison lj.CMAJ. 2005 Dec 6;173(12):1473-81. doi: 10.1503/cmaj.045278.CMAJ. 2005.PMID: 16330637Free PMC article.Review.