@article{2009,  volume={22},  ISSN={0102-6720},  url={https://doi.org/10.1590/S0102-67202009000200016},  DOI={10.1590/S0102-67202009000200016},  number={2},  journal={ABCD. Arquivos Brasileiros de Cirurgia Digestiva (São Paulo)},  publisher={Colégio Brasileiro de Cirurgia Digestiva},  year={2009},  month={Apr},  pages={135–135} }