@article{farias_pereira_anastacio_minenelli_teles_2020,  title={The halo sign as a chest computed tomography finding of COVID-19},  volume={18},  ISSN={1679-4508},  url={https://doi.org/10.31744/einstein_journal/2020AI5742},  DOI={10.31744/einstein_journal/2020AI5742},  journal={einstein (São Paulo)},  publisher={Instituto Israelita de Ensino e Pesquisa Albert Einstein},  author={Farias, Lucas de Pádua Gomes de and Pereira, Helena Alves Costa and Anastacio, Eduardo Pinheiro Zarattini and Minenelli, Fernanda Formagio and Teles, Gustavo Borges da Silva},  year={2020},  pages={eAI5742} }