@article{wiwanitkit_2021,  title={COVID-19 and Methylene Blue},  volume={36},  ISSN={0102-7638},  url={https://doi.org/10.21470/1678-9741-2020-0462},  DOI={10.21470/1678-9741-2020-0462},  number={1},  journal={Brazilian Journal of Cardiovascular Surgery},  publisher={Sociedade Brasileira de Cirurgia Cardiovascular},  author={Wiwanitkit, Viroj},  year={2021},  month={Jan},  pages={140–140} }