LOH, C. M.; CHUAH, C. W. Electronic Medical Record System Using Ethereum Blockchain and Role-Based Access Control. Applied Information Technology And Computer Science, [S. l.], v. 2, n. 2, p. 53–72, 2021. Disponível em: https://publisher.uthm.edu.my/periodicals/index.php/aitcs/article/view/2266. Acesso em: 29 jun. 2022.