@article{belfort_1991,  title={ARVO 1991},  volume={54},  ISSN={0004-2749},  url={https://doi.org/10.5935/0004-2749.19910025},  DOI={10.5935/0004-2749.19910025},  number={3},  journal={Arquivos Brasileiros de Oftalmologia},  publisher={Conselho Brasileiro de Oftalmologia},  author={BELFORT, RUBENS},  year={1991},  month={May},  pages={150–151} }