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Wilson CJ, Cohen HJ, Pieper CF.Wilson CJ, et al. Among authors: pieper cf.J Am Geriatr Soc. 2003 Oct;51(10):1374-81. doi: 10.1046/j.1532-5415.2003.51454.x.J Am Geriatr Soc. 2003.PMID: 14511156