@article{sayit_elmali_onal_2021,  title={Spontaneous pneumomediastinum associated with Covid-19 pneumonia in a pregnant woman},  volume={54},  ISSN={0037-8682},  url={https://doi.org/10.1590/0037-8682-0185-2021},  DOI={10.1590/0037-8682-0185-2021},  journal={Revista da Sociedade Brasileira de Medicina Tropical},  publisher={Sociedade Brasileira de Medicina Tropical - SBMT},  author={Sayit, Asli Tanrivermis and Elmali, Muzaffer and Onal, Mesut},  year={2021},  pages={e0185–2021} }