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Lee AY, Tan J, Koh J, Fook-Chong SM, Lo NN, Howe TS.Lee AY, et al.J Am Geriatr Soc. 2012 May;60(5):994-6. doi: 10.1111/j.1532-5415.2012.03936.x.J Am Geriatr Soc. 2012.PMID: 22587868No abstract available.