@article{canabrava_rezende_eliazar_figueiredo_resende_batista_diniz-filho_2018,  title={Efficacy of the Canabrava Ring (pupil expansion device) in cataract surgery for eyes with small pupils: the first 30 cases},  volume={81},  ISSN={0004-2749},  url={https://doi.org/10.5935/0004-2749.20180042},  DOI={10.5935/0004-2749.20180042},  number={3},  journal={Arquivos Brasileiros de Oftalmologia},  publisher={Conselho Brasileiro de Oftalmologia},  author={Canabrava, Sérgio and Rezende, Pedro Henriques and Eliazar, Glauber Coutinho and Figueiredo, Sophia Barbosa de and Resende, Arthur Fernandes and Batista, Wagner Duarte and Diniz-Filho, Alberto},  year={2018},  month={May},  pages={202–211} }