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. Author manuscript; available in PMC: 2014 Sep 1.
Published in final edited form as: Eur J Pain. 2013 Jan 20;17(8):1243–1251. doi: 10.1002/j.1532-2149.2013.00285.x

Figure 1. Study recruitment flowchart.

Figure 1

Patients may have multiple reasons for ineligibility or refusal. ED, Emergency Department; EA, European American; MVC, motor vehicle collision.