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Archives of Gerontology and Geriatrics > 2017 > 73 > C > 294-299
Journal of Medical Colleges of PLA > 2012 > 27 > 5 > 299-305
Archives of Gerontology and Geriatrics > 2017 > 73 > C > 294-299
Journal of Medical Colleges of PLA > 2012 > 27 > 5 > 299-305