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Guidelines for the proper use of          medications in the elderly (General Edition). https:\/\/www.mhlw.go.jp\/content\/11121000\/koureitekisei_web.pdf (Accessed Aug. 14, 2025)"},{"key":"21","unstructured":"21) The Japan Geriatrics Society: Guidelines for Safe Pharmacotherapy in the          Elderly 2015. https:\/\/www.jpn-geriat-soc.or.jp\/info\/topics\/pdf\/20170808_01.pdf (Accessed Aug. 14, 2025)"},{"key":"22","first-page":"1","volume":"13","year":"2021","unstructured":"22) Shimizu              A, Fujishima              I, Maeda              K, et al.: Accuracy of the simplified nutritional            appetite questionnaire for malnutrition and sarcopenia screening among older patients requiring rehabilitation.            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Appetite, 2015, 95: 1\u20138.","DOI":"10.1016\/j.appet.2015.06.005"},{"key":"25","doi-asserted-by":"crossref","unstructured":"25) Kimura              Y, Wada              T, Okumiya              K, et al.: Eating alone among community-dwelling            Japanese elderly: association with depression and food diversity. J Nutr Health Aging, 2012,            16: 728\u2013731.","DOI":"10.1007\/s12603-012-0067-3"},{"key":"26","doi-asserted-by":"publisher","unstructured":"26) Nomoto              A, Shimizu              A, Ohno              T, et al.: Poor oral health and anorexia in older            rehabilitation patients. 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