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Porter Starr KN, McDonald SR, Bales CW.Porter Starr KN, et al. Among authors: mcdonald sr.J Am Med Dir Assoc. 2014 Apr;15(4):240-50. doi: 10.1016/j.jamda.2013.11.008. Epub 2014 Jan 17.J Am Med Dir Assoc. 2014.PMID: 24445063Free PMC article.Review.