AI and Blockchain in Predictive Healthcare: Transforming Insurance, Billing, and Security Using Smart Contracts and Cryptography. International Journal of Information Technology and Computer Engineering, [S. l.], v. 11, n. 2, p. 46–61, 2023. Disponível em: https://ijitce.org/index.php/ijitce/article/view/854. Acesso em: 30 apr. 2026.