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Dean MM, Cellarius V, Henry B, Oneschuk D, Librach Canadian Society Of Palliative Care Physicians Taskforce SL.Dean MM, et al. Among authors: cellarius v.J Palliat Med. 2012 Aug;15(8):870-9. doi: 10.1089/jpm.2011.0498. Epub 2012 Jul 2.J Palliat Med. 2012.PMID: 22747192Review.