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Journal of the American Medical Directors Association > 2012 > 13 > 8 > 713-719
Experimental Gerontology > 2005 > 40 > 4 > 344-352
Journal of the American Medical Directors Association > 2012 > 13 > 8 > 713-719
Experimental Gerontology > 2005 > 40 > 4 > 344-352