DR. MUNISH KUMAR, SUMEDHA ARYA. A Secure And Interoperable Blockchain-Based Electronic Health Record System With Ai-Driven Analytics For Healthcare 4.0. International Journal of Research & Technology, [S. l.], v. 14, n. S3, p. 167–174, 2026. Disponível em: https://ijrt.org/j/article/view/1465. Acesso em: 11 jun. 2026.