A Follow-up Survey on Mental Health Status of COVID-19 Survivors 
WANG Xixin,CAO Jie,YANG Yanguo,XU Fei,XIA Lei,HU Xiaowen,LIU Huanzhong
Chinese General Practice . 2021, (26): 3343 -3348 .  DOI: 10.12114/j.issn.1007-9572.2021.01.303