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Berr C, Nicole A, Godin J, Ceballos-Picot I, Thevenin M, Dartigues JF, Alperovitch A.Berr C, et al.J Am Geriatr Soc. 1993 Feb;41(2):143-8. doi: 10.1111/j.1532-5415.1993.tb02048.x.J Am Geriatr Soc. 1993.PMID: 8426036