@article{felix_alcantara_2020,  title={To Close or not to Close PFOs in Cryptogenic Stroke, an Evolving Question},  volume={33},  ISSN={2359-5647},  url={https://doi.org/10.36660/ijcs.20200128},  DOI={10.36660/ijcs.20200128},  number={4},  journal={International Journal of Cardiovascular Sciences},  publisher={Sociedade Brasileira de Cardiologia},  author={Felix, Alex and Alcantara, Monica Luiza de},  year={2020},  month={Jul},  pages={318–320} }