VENKATA SARATH MADDALI. Blockchain-Enabled Universal Health Records: An Architectural-Level Decentralized Framework for Secure Patient Data Interoperability. The American Journal of Engineering and Technology, [S. l.], v. 7, n. 10, p. 115–129, 2025. DOI: 10.37547/tajet/Volume07Issue10-15. Disponível em: https://theamericanjournals.com/index.php/tajet/article/view/6835. Acesso em: 29 oct. 2025.