@article{schleinstein_curiati_averbach_popoutchi_2015,  title={Retrorectal tumor: a case report of a patient with "schwannoma"},  volume={28},  ISSN={0102-6720},  url={https://doi.org/10.1590/S0102-67202015000200018},  DOI={10.1590/S0102-67202015000200018},  number={2},  journal={ABCD. Arquivos Brasileiros de Cirurgia Digestiva (São Paulo)},  publisher={Colégio Brasileiro de Cirurgia Digestiva},  author={SCHLEINSTEIN, Henrique Perobelli and CURIATI, Paulo AntonioLemos and AVERBACH, Marcelo and POPOUTCHI, Pedro},  year={2015},  month={Apr},  pages={151–152} }