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Booth J, Hagen S, McClurg D, Norton C, MacInnes C, Collins B, Donaldson C, Tolson D.Booth J, et al. Among authors: mcclurg d.J Am Med Dir Assoc. 2013 Apr;14(4):270-4. doi: 10.1016/j.jamda.2012.10.021. Epub 2012 Nov 30.J Am Med Dir Assoc. 2013.PMID: 23206722Clinical Trial.