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2. Factors that enable or complicate end-of-life transitions in critical care;Badger;American Journal of Critical Care,2005
3. Transforming Qualitative Information: Thematic Analysis and Code Development;Boyatzis,1998
4. Referral of terminally ill patients for hospice: Frequency and correlates;Bradley;Journal of Palliative Care,2000
5. Thematic analysis;Braun,2012