@article{veloso_magno_silva_2014,  title={Anal melanoma: a rare, but catastrophic tumor},  volume={34},  ISSN={2237-9363},  url={https://doi.org/10.1016/j.jcol.2013.12.005},  DOI={10.1016/j.jcol.2013.12.005},  number={1},  journal={Journal of Coloproctology (Rio de Janeiro)},  publisher={Sociedade Brasileira de Coloproctologia},  author={Veloso, Andréa da Costa and Magno, Jaime Coelho Carlos and Silva, José Antonio Dias da Cunha e},  year={2014},  month={Jan},  pages={9–13} }