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APA Citation
Gu, W., Deng, X., Reyes, K., Hsu, E., Wang, C., Sotomayor-Gonzalez, A., Federman, S., Bushnell, B., Miller, S., & Chiu, C. Y. (2020). associations of Early COVID-19 Cases in San Francisco With Domestic and International Travel. Clinical infectious diseases, 71, 2976–2980. http://access.bl.uk/ark:/81055/vdc_100121987954.0x000047