@article{batista filho_freitas_2021,  title={COVID-19: Issues/Lessons},  volume={21},  ISSN={1519-3829},  url={https://doi.org/10.1590/1806-93042021000200001},  DOI={10.1590/1806-93042021000200001},  number={2},  journal={Revista Brasileira de Saúde Materno Infantil},  publisher={Instituto de Medicina Integral Prof. Fernando Figueira},  author={Batista Filho, Malaquias and Freitas, Déborah Lemos},  year={2021},  month={Apr},  pages={357–358} }