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Davidson J.GS, Guthrie D.M.  2017.  Older Adults With a Combination of Vision and Hearing Impairment Experience Higher Rates of Cognitive Impairment, Functional Dependence, and Worse Outcomes Across a Set of Quality Indicators. J Aging Health. :898264317723407.

Davidson J.GS, Guthrie D.M.  2019.  Older Adults With a Combination of Vision and Hearing Impairment Experience Higher Rates of Cognitive Impairment, Functional Dependence, and Worse Outcomes Across a Set of Quality Indicators. J Aging Health. 31(1):85-108.