@article{sousa_paradella_brandão_rosa_2009,  title={Oral lichen planus versus epithelial dysplasia: difficulties in diagnosis},  volume={75},  ISSN={1808-8694},  url={https://doi.org/10.1590/S1808-86942009000500017},  DOI={10.1590/S1808-86942009000500017},  number={5},  journal={Brazilian Journal of Otorhinolaryngology},  publisher={Associação Brasileira de Otorrinolaringologia e Cirurgia Cérvico-Facial.},  author={Sousa, Fernando Augusto Cervantes Garcia de and Paradella, Thaís Cachuté and Brandão, Adriana Aigotti Haberbeck and Rosa, Luiz Eduardo Blumer},  year={2009},  month={Sep},  pages={716–720} }