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Gaugler JE, Roth DL, Haley WE, Mittelman MS.Gaugler JE, et al. Among authors: roth dl.J Am Geriatr Soc. 2008 Mar;56(3):421-8. doi: 10.1111/j.1532-5415.2007.01593.x. Epub 2008 Jan 4.J Am Geriatr Soc. 2008.PMID: 18179495Free PMC article.Clinical Trial.