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. Author manuscript; available in PMC: 2014 Jan 1.
Published in final edited form as: J Pain Symptom Manage. 2012 Jul 25;45(1):10.1016/j.jpainsymman.2012.01.009. doi: 10.1016/j.jpainsymman.2012.01.009

Fig. 1.

Fig. 1

Flowchart of the patient selection process.