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Sternberg SA, Wolfson C, Baumgarten M.Sternberg SA, et al.J Am Geriatr Soc. 2000 Nov;48(11):1430-4. doi: 10.1111/j.1532-5415.2000.tb02633.x.J Am Geriatr Soc. 2000.PMID: 11083319Clinical Trial.