Exploring the potential of offline cryptography techniques for securing ECG signals in healthcare. Periodicals of Engineering and Natural Sciences, [S. l.], v. 11, n. 3, p. 148–154, 2023. DOI: 10.21533/pen.v11.i3.142. Disponível em: https://pen.ius.edu.ba/index.php/pen/article/view/142. Acesso em: 30 oct. 2025.