Yu, Z., Zhu, X., Liu, X., Wei, T., Yuan, H., Xu, Y., . . . Chen, W. (2021). Reopening International Borders without Quarantine: Contact Tracing Integrated Policy against COVID-19. Int J Environ Res Public Health.
Chicago Style CitationYu, Zidong, et al. "Reopening International Borders Without Quarantine: Contact Tracing Integrated Policy against COVID-19." Int J Environ Res Public Health 2021.
Cita MLAYu, Zidong, et al. "Reopening International Borders Without Quarantine: Contact Tracing Integrated Policy against COVID-19." Int J Environ Res Public Health 2021.
Atenció: Aquestes cites poden no estar 100% correctes.