Design and Implementation of Fast Ambulatory System for Cardiac Patients Using GSM Network and ECG Signal. Journal of Madenat Alelem, [S. l.], v. 9, n. 1, p. 162–173, 2017. Disponível em: https://journal.mauc.edu.iq/index.php/JMAUC/article/view/85. Acesso em: 26 feb. 2026.