@article{2006,  volume={26},  ISSN={0101-9880},  url={https://doi.org/10.1590/S0101-98802006000400018},  DOI={10.1590/S0101-98802006000400018},  number={4},  journal={Revista Brasileira de Coloproctologia},  publisher={Cidade Editora Científica Ltda},  year={2006},  month={Oct},  pages={475–476} }