Short-term persistent symptoms in preschool children with mild/common coronavirus disease 2019 caused by Omicron variant infection after discharge: a follow-up study
HU Chun-Chun, XU Pu, XU Liu, ZHANG Ying, ZHOU Jian-Guo, WANG Li-Bo, ZHOU Wen-Hao, YE Lan, LU Chun-Mei
CJCP . 2022, (12): 1289 -1294 .  DOI: 10.7499/j.issn.1008-8830.2206034