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Preventive Medicine  2023, Vol. 35 Issue (8): 649-654    DOI: 10.19485/j.cnki.issn2096-5087.2023.08.002
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Trends in prevalence of depression symptoms among middle-aged and elderly residents in China from 2011 to 2018
DUAN Rui, WANG Hong
Department of Biostatistics, School of Public Health, Peking University, Beijing 100191, China