A Survey on IoT-Based Healthcare Systems: Innovations, Challenges, and Future Directions. International Journal of Current Engineering and Technology, [S. l.], v. 15, n. 2, p. 108–114, 2025. Disponível em: https://ijcet.evegenis.org/index.php/ijcet/article/view/1632. Acesso em: 13 mar. 2026.