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Glazier RH, Klein-Geltink J, Kopp A, Sibley LM.Glazier RH, et al. Among authors: sibley lm.CMAJ. 2009 May 26;180(11):E72-81. doi: 10.1503/cmaj.081316.CMAJ. 2009.PMID: 19468106Free PMC article.