@article{siqueira_polo_gomes_moreira_2010,  title={Anel corneano intraestromal assimétrico no tratamento do ceratocone},  volume={73},  ISSN={0004-2749},  url={https://doi.org/10.1590/S0004-27492010000500013},  DOI={10.1590/S0004-27492010000500013},  number={5},  journal={Arquivos Brasileiros de Oftalmologia},  publisher={Conselho Brasileiro de Oftalmologia},  author={Siqueira, Marcelo Alves Vilar de and Polo, Jhonny de and Gomes, Manuela Benites and Moreira, Hamilton},  year={2010},  month={Sep},  pages={454–458} }