@article{coral_hartmann_mastalir_mastalir_2007,  title={Small cell carcinoma of the esophagus},  volume={20},  ISSN={0102-6720},  url={https://doi.org/10.1590/S0102-67202007000300017},  DOI={10.1590/S0102-67202007000300017},  number={3},  journal={ABCD. Arquivos Brasileiros de Cirurgia Digestiva (São Paulo)},  publisher={Colégio Brasileiro de Cirurgia Digestiva},  author={Coral, Roberto Pelegrini and Hartmann, Antonio and Mastalir, Fabiane P. and Mastalir, Eduardo T.},  year={2007},  month={Jul},  pages={216–218} }