@article{morais_arantes_melo_muccioli_2019,  title={Levels of Evidence: What Should Ophthalmologists Know?},  volume={78},  ISSN={0034-7280},  url={https://doi.org/10.5935/0034-7280.20190173},  DOI={10.5935/0034-7280.20190173},  number={6},  journal={Revista Brasileira de Oftalmologia},  publisher={Sociedade Brasileira de Oftalmologia},  author={Morais, Fábio Barreto and Arantes, Tiago Eugênio Faria e and Melo, Gustavo Barreto and Muccioli, Cristina},  year={2019},  month={Nov},  pages={413–417} }