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Slaughter SE, Estabrooks CA, Jones CA, Wagg AS.Slaughter SE, et al. Among authors: wagg as.BMC Geriatr. 2011 Dec 16;11:84. doi: 10.1186/1471-2318-11-84.BMC Geriatr. 2011.PMID: 22176583Free PMC article.Clinical Trial.