M. BHARATHI; P.SATHYA. An Efficient And Secure Electronic Health Record Systems Using Block Authentication Code Mechanism. International journal of intellectual advancements and research in engineering computations, [S. l.], v. 11, n. 4, p. 18–22, 2025. DOI: 10.61096/ijiarec.v11.iss4.2023.18-22. Disponível em: https://ijiarec.com/ijiarec/article/view/1791. Acesso em: 17 apr. 2026.