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Siegert RJ, Gao W, Walkey FH, Higginson IJ. Psychological Well-Being and Quality of Care: A Factor-Analytic Examination of the Palliative Care Outcome Scale. Journal of Pain and Symptom Management. 2010 Jul;40(1):67–74. doi: 10.1016/j.jpainsymman.2009.11.326. |