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Cameron ID, Kurrle SE, Uy C, Lockwood KA, Au L, Schaafsma FG.Cameron ID, et al.BMC Geriatr. 2011 Jun 10;11:32. doi: 10.1186/1471-2318-11-32.BMC Geriatr. 2011.PMID: 21663680Free PMC article.Clinical Trial.