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Bergstrom N, Smout R, Horn S, Spector W, Hartz A, Limcangco MR.Bergstrom N, et al. Among authors: spector w.J Am Geriatr Soc. 2008 Jul;56(7):1252-8. doi: 10.1111/j.1532-5415.2008.01765.x. Epub 2008 May 14.J Am Geriatr Soc. 2008.PMID: 18482291
Konetzka RT, Spector W, Limcangco MR.Konetzka RT, et al. Among authors: spector w.Med Care Res Rev. 2008 Feb;65(1):40-66. doi: 10.1177/1077558707307569. Epub 2007 Sep 25.Med Care Res Rev. 2008.PMID: 17895516Review.