@article{czeczko_ribas filho_2024,  title={OSVALDO MALAFAIA, FORMER PRESIDENT OF THE BRAZILIAN COLLEGE OF DIGESTIVE SURGERY},  volume={37},  ISSN={0102-6720},  url={https://doi.org/10.1590/0102-6720202400037e1831},  DOI={10.1590/0102-6720202400037e1831},  journal={ABCD. Arquivos Brasileiros de Cirurgia Digestiva (São Paulo)},  publisher={Colégio Brasileiro de Cirurgia Digestiva},  author={CZECZKO, Nicolau Gregori and RIBAS FILHO, Jurandir Marcondes},  year={2024},  pages={e1831} }