@article{2022,  title={PROF. DR. EDMUNDO MACHADO FERRAZ: FORMER PRESIDENT OF THE BRAZILIAN COLLEGE OF DIGESTIVE SURGERY},  volume={35},  ISSN={0102-6720},  url={https://doi.org/10.1590/0102-672020220002e1680},  DOI={10.1590/0102-672020220002e1680},  journal={ABCD. Arquivos Brasileiros de Cirurgia Digestiva (São Paulo)},  publisher={Colégio Brasileiro de Cirurgia Digestiva},  year={2022},  pages={e1680} }