@article{carvalho_andrade_levy_2016,  title={Direct oral anticoagulants in antiphospholipid syndrome},  volume={56},  ISSN={0482-5004},  url={https://doi.org/10.1016/j.rbre.2016.09.006},  DOI={10.1016/j.rbre.2016.09.006},  number={6},  journal={Revista Brasileira de Reumatologia},  publisher={Sociedade Brasileira de Reumatologia},  author={Carvalho, Jozélio Freire de and Andrade, Daniele Castro Oliveira de and Levy, Roger A.},  year={2016},  month={Nov},  pages={469–470} }