@article{nali_salvador_bonani_andrade júnior_luna_fujita_2021,  title={Reopening borders: protocols for resuming travel during the COVID-19 pandemic},  volume={76},  ISSN={1807-5932},  url={https://doi.org/10.6061/clinics/2021/e2723},  DOI={10.6061/clinics/2021/e2723},  journal={Clinics},  publisher={Faculdade de Medicina / USP},  author={Nali, Luiz Henrique da Silva and Salvador, Felipe Scassi and Bonani, Graciela dos Santos Soares and Andrade Júnior, Heitor Franco de and Luna, Expedito José de Albuquerque and Fujita, Dennis Minoru},  year={2021},  pages={e2723} }