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- [4] Interactive virtual cases for emergency medicine physicians during the COVID-19 pandemic [J]. Canadian Journal of Emergency Medicine, 2021, 23 : 700 - 703
- [6] The impacts of COVID-19 pandemic on public transit demand in the United States [J]. PLOS ONE, 2020, 15 (11):
- [10] COVID-19 pandemic in the United States [J]. HEALTH POLICY AND TECHNOLOGY, 2020, 9 (04) : 623 - 638