Journal of Applied Gerontology (2013) - Comment
pubmed: 25474803  doi: 10.1177/0733464812440043  issn: 0733-4648  issn: 1552-4523 

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Alexis Coulourides Kogan, Jorge Gonzalez, Bonita Hart, Skip Halloran, Brenda Thomason, Morgan Levine, Susan Enguidanos