Association of Sleep Quality，Depressive Symptoms and Their Interaction with Cognitive Frailty in Elderly People　
CUI Guanghui，LI Shaojie，KONG Qingyue，YIN Yongtian，CHEN Lijun，CHEN Lei，LIU Xinyao
Chinese General Practice . 2021, (9): 1076 -1081 .  DOI: 10.12114/j.issn.1007-9572.2021.00.118

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