@article{bicas_2014,  title={A new unity for angular measurements in strabismus},  volume={77},  ISSN={0004-2749},  url={https://doi.org/10.5935/0004-2749.20140070},  DOI={10.5935/0004-2749.20140070},  number={5},  journal={Arquivos Brasileiros de Oftalmologia},  publisher={Conselho Brasileiro de Oftalmologia},  author={Bicas, Harley E. A.},  year={2014},  month={Sep},  pages={275–279} }