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Corey-Bloom J, Galasko D, Hofstetter CR, Jackson JE, Thal LJ.Corey-Bloom J, et al. Among authors: thal lj.J Am Geriatr Soc. 1993 Jan;41(1):31-7. doi: 10.1111/j.1532-5415.1993.tb05944.x.J Am Geriatr Soc. 1993.PMID: 8418119