@article{drei_angulo-meza_2024,  title={LEAN HEALTHCARE EFFICIENCY ASSESSMENT IN BRAZILIAN PUBLIC HOSPITALS WITH A DATA ENVELOPMENT ANALYSIS (DEA) APPROACH},  volume={44},  ISSN={0101-7438},  url={https://doi.org/10.1590/0101-7438.2023.043.00287339},  DOI={10.1590/0101-7438.2023.043.00287339},  journal={Pesquisa Operacional},  publisher={Sociedade Brasileira de Pesquisa Operacional},  author={Drei, Samuel Martins and Angulo-Meza, Lidia},  year={2024},  pages={e287339} }