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Schnelle JF, Rahman A, Durkin DW, Beuscher L, Choi L, Simmons SF.Schnelle JF, et al.J Am Med Dir Assoc. 2013 May;14(5):345-51. doi: 10.1016/j.jamda.2012.11.013. Epub 2013 Jan 4.J Am Med Dir Assoc. 2013.PMID: 23294967Free PMC article.Clinical Trial.