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McCurry SM, Gibbons LE, Logsdon RG, Vitiello M, Teri L.McCurry SM, et al.J Am Geriatr Soc. 2003 Oct;51(10):1455-60. doi: 10.1046/j.1532-5415.2003.51466.x.J Am Geriatr Soc. 2003.PMID: 14511168Clinical Trial.