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Wilson M, Roll JM, Corbett C, Barbosa-Leiker C.Wilson M, et al.Pain Manag Nurs. 2015 Aug;16(4):503-14. doi: 10.1016/j.pmn.2014.09.009. Epub 2015 Jun 15.Pain Manag Nurs. 2015.PMID: 26088940Clinical Trial.