Comparative study on the clinical characteristics of local cases of COVID-19 and imported cases from abroad: A retrospective cohort study

por Liu, Jing-He, Chang, Yu-Fei, Ma, Shan-Fang, Wang, Ling-Hang
Publicado 2021

The characteristics of overseas imported COVID-19 cases and the effectiveness of screening strategies in Beijing, China

por Li, Li, Ma, Cheng-Jie, Chang, Yu-Fei, Yang, Si-Yuan, Tang, Yun-Xia, Wang, Ling-Hang
Publicado 2022