@article{vilches_2026,  title={Social Inequality and Access to Healthcare: An Analysis Using Unsupervised Machine Learning in Greater São Paulo},  volume={27},  ISSN={2676-0029},  url={https://doi.org/10.5540/tcam.2026.027.e01883},  DOI={10.5540/tcam.2026.027.e01883},  journal={Trends in Computational and Applied Mathematics},  publisher={Sociedade Brasileira de Matemática Aplicada e Computacional - SBMAC},  author={VILCHES, T. N.},  year={2026},  pages={e01883} }