SINDHURI, B. Prema; RAO, Kameswara M. Authentication and Access Control-Based Data Security in EHR: A Blockchain-Based System for Mobile Cloud Computing. Engineering, Technology & Applied Science Research, Greece, v. 16, n. 2, p. 33502–33517, 2026. DOI: 10.48084/etasr.16290. Disponível em: https://etasr.com/index.php/ETASR/article/view/16290. Acesso em: 24 jun. 2026.