TY  - JOUR
AU  - Zeng, Yuqin
AU  - Zhou, Zijing
AU  - Chen, Ping
PY  - 2021
TI  - Policy during coronavirus disease 2019 (COVID-19) pandemic: a protector for acute exacerbation of COPD (AECOPD) patients?
JF  - Journal of Thoracic Disease; Vol 13, No 5 (May 27, 2021): Journal of Thoracic Disease
Y2  - 2021
KW  - 
N2  - 
UR  - https://jtd.amegroups.org/article/view/50864