@article{malafaia_2021,  title={THE ABCD FROM 1986 TO 2021: VICTORIOUS TRAJECTORY!},  volume={34},  ISSN={0102-6720},  url={https://doi.org/10.1590/0102-672020210002e1609},  DOI={10.1590/0102-672020210002e1609},  number={2},  journal={ABCD. Arquivos Brasileiros de Cirurgia Digestiva (São Paulo)},  publisher={Colégio Brasileiro de Cirurgia Digestiva},  author={MALAFAIA, Osvaldo},  year={2021},  pages={e1609} }