@article{belfort_1991,  title={Obrigado e Parabéns},  volume={54},  ISSN={0004-2749},  url={https://doi.org/10.5935/0004-2749.19910001},  DOI={10.5935/0004-2749.19910001},  number={6},  journal={Arquivos Brasileiros de Oftalmologia},  publisher={Conselho Brasileiro de Oftalmologia},  author={Belfort, Rubens},  year={1991},  month={Nov},  pages={243–243} }