共 4 条
- [2] An empirical study on the impact of COVID-19 pandemic prevention and control policies on the high-quality development of express delivery industry Xitong Gongcheng Lilun yu Shijian/System Engineering Theory and Practice, 2022, 42 (03): : 651 - 663
- [3] The effect of COVID-19 epidemic on vital signs in hospitalized patients: a pre-post heat-map study from a large teaching hospital Journal of Clinical Monitoring and Computing, 2022, 36 (03): : 829 - 837
- [4] Retraction Note: Macroeconomic lockdown effects of COVID-19 on small business in China: empirical insights from SEM technique (Environmental Science and Pollution Research, (2022), 29, 42, (63344-63356), 10.1007/s11356-022-20071-x) Environmental Science and Pollution Research, 31 (34):