@article{assad_spiegel_2019,  title={Maximizing the efficiency of residents operating room scheduling: a case study at a teaching hospital},  volume={29},  ISSN={0103-6513},  url={https://doi.org/10.1590/0103-6513.20190025},  DOI={10.1590/0103-6513.20190025},  journal={Production},  publisher={Associação Brasileira de Engenharia de Produção},  author={Assad, Daniel Bouzon Nagem and Spiegel, Thais},  year={2019},  pages={e20190025} }