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Williams A, Duggleby W, Eby J, Cooper RD, Hallstrom LK, Holtslander L, Thomas R.Williams A, et al. Among authors: duggleby w.BMC Palliat Care. 2013 Dec 17;12(1):44. doi: 10.1186/1472-684X-12-44.BMC Palliat Care. 2013.PMID: 24341372Free PMC article.