@article{carvalho_graf_2005,  title={Carcinoma indiferenciado de tireóide},  volume={49},  ISSN={0004-2730},  url={https://doi.org/10.1590/S0004-27302005000500012},  DOI={10.1590/S0004-27302005000500012},  number={5},  journal={Arquivos Brasileiros de Endocrinologia & Metabologia},  publisher={Sociedade Brasileira de Endocrinologia e Metabologia},  author={Carvalho, Gisah A. de and Graf, Hans},  year={2005},  month={Oct},  pages={719–724} }