Nali LH da S, Salvador FS, Bonani G dos SS, Andrade Júnior HF de, Luna EJ de A, Fujita DM. Reopening borders: protocols for resuming travel during the COVID-19 pandemic. Clinics [Internet]. 2021 Nov. 9 [cited 2024 Jul. 21];76:e2723. Available from: https://revistas.usp.br/clinics/article/view/192069