Secured Digital Healthcare system using Noetherian Rings and SHA Algorithm. Journal of Carcinogenesis, [S. l.], v. 24, n. 4s, p. 538–549, 2025. DOI: 10.64149/J.Carcinog.24.4s.538-549. Disponível em: https://carcinogenesis.com/index.php/JOC/article/view/535. Acesso em: 7 dec. 2025.