Correlation between sleep status and cognitive function in the elderly in Shenzhen
LIU Wei, WANG Xian, GAO Wen-hui, WU De-sheng, XU Ben-hong, ZHOU Li, LIU Jian-jun
South China Journal of Preventive Medicine . 2021, (8): 959 -963 .  DOI: 10.12183/j.scjpm.2021.0959