Moderate vs. mild cases of overseas-imported COVID-19 in Beijing: a retrospective cohort study

por Wenliang Zhai, Zujin Luo, Yue Zheng, Dawei Dong, Endong Wu, Zhengfang Wang, Junpeng Zhai, Yujuan Han, Huan Liu, Yanran Wang, Yaohui Feng, Jing Wang, Yingmin Ma
Publicado 2021