@article{toyoshima_domingues_soares_danilovic_amorim_cavalcante_antonacio_roitberg_hoff_2021,  title={Thyroid collision tumor containing oncocytic carcinoma, classical and hobnail variants of papillary carcinoma and areas of poorly differentiated carcinoma},  volume={65},  ISSN={2359-3997},  url={https://doi.org/10.20945/2359-3997000000389},  DOI={10.20945/2359-3997000000389},  number={4},  journal={Archives of Endocrinology and Metabolism},  publisher={Sociedade Brasileira de Endocrinologia e Metabologia},  author={Toyoshima, Marcos Tadashi Kakitani and Domingues, Regina Barros and Soares, Ibere Cauduro and Danilovic, Debora Lucia Seguro and Amorim, Larissa Costa and Cavalcante, Edla R. C. and Antonacio, Fernanda F. and Roitberg, Felipe Santa Rosa and Hoff, Ana Oliveira},  year={2021},  month={Jul},  pages={495–499} }