S.PRATHIMA , DR.C.PRIYA. Improved CP-ABE Based Crypto Technique To Secure Ehrs With Access Policy-Based Authentication Schemes. Journal of Pharmaceutical Negative Results, [S. l.], p. 2365–2379, 2022. DOI: 10.47750/pnr.2022.13.S09.281. Disponível em: https://pnrjournal.com/index.php/home/article/view/3781. Acesso em: 3 feb. 2023.