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Kramer AM, Fox PD, Morgenstern N.Kramer AM, et al. Among authors: morgenstern n.J Am Geriatr Soc. 1992 Oct;40(10):1055-67. doi: 10.1111/j.1532-5415.1992.tb04486.x.J Am Geriatr Soc. 1992.PMID: 1401681
Hutt E, Reznickova N, Morgenstern N, Frederickson E, Kramer AM.Hutt E, et al. Among authors: morgenstern n.Am J Manag Care. 2004 Oct;10(10):681-6.Am J Manag Care. 2004.PMID: 15521159Free article.