中国边境口岸地区传染病境外输入风险评估—

程艺, 刘慧, 张芳芳

Cross-border infections in border port areas of China: Take COVID-19 as an example

CHENG Yi, LIU Hui, ZHANG Fangfang

地理研究 . 2022, (3): 851 -866 . DOI: 10.11821/dlyj020201090