RAHEES UR REHMAN; GURJIT SINGH BHATHAL. Design and Implementation of a Secure Interoperable EHR System Using Ethereum, Hyperledger Fabric, and Decentralized IPFS Storage. International Journal of Computer Sciences and Engineering, [S. l.], v. 13, n. 11, p. 29–36, 2025. DOI: 10.26438/ijcse/v13i11.2936. Disponível em: https://ijcse.isroset.org/index.php/j/article/view/7231. Acesso em: 1 feb. 2026.