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. Author manuscript; available in PMC: 2021 Feb 1.
Published in final edited form as: J Pain Symptom Manage. 2019 Aug 9;59(2):339–364.e10. doi: 10.1016/j.jpainsymman.2019.08.005

Figure 2: Risk of Bias Graphs of the 24 Included Studies.

Figure 2:

A. Risk of bias summary by study; B. Risk of bias summary by assessed item.

Abbreviations: EOL - end of life; HC - healthcare; Pt - patient; QOL - quality of life