@article{ornek_acar_acar_2018,  title={The outcomes of 326 external dacryocystorhinostomy operations in children with dacryostenosis - 30-year experience of an oculoplastic surgeon},  volume={81},  ISSN={0004-2749},  url={https://doi.org/10.5935/0004-2749.20180097},  DOI={10.5935/0004-2749.20180097},  number={6},  journal={Arquivos Brasileiros de Oftalmologia},  publisher={Conselho Brasileiro de Oftalmologia},  author={Ornek, Firdevs and Acar, Damla Erginturk and Acar, Ugur},  year={2018},  month={Nov},  pages={500–504} }