@article{müller_müller_2020,  title={Chest CT target sign in a couple with COVID-19 pneumonia},  volume={53},  ISSN={0100-3984},  url={https://doi.org/10.1590/0100-3984.2020.0089},  DOI={10.1590/0100-3984.2020.0089},  number={4},  journal={Radiologia Brasileira},  publisher={Publicação do Colégio Brasileiro de Radiologia e Diagnóstico por Imagem},  author={Müller, C. Isabela Silva and Müller, Nestor L.},  year={2020},  month={Jul},  pages={252–254} }