Digital ECG Phantom Design to Represent the Human Heart Signal for Early Test on ECG Machine in Hospital. International Journal of Advanced Health Science and Technology, [S. l.], v. 1, n. 1, p. 14–19, 2021. DOI: 10.35882/ijahst.v1i1.3. Disponível em: https://ijahst.org/index.php/ijahst/article/view/3. Acesso em: 23 jul. 2025.