Design and Implementation of Patient Monitoring System for Medical Sign using GSM and Microcontroller . Journal of Madenat Alelem, [S. l.], v. 9, n. 1, p. 189–200, 2017. Disponível em: https://journal.mauc.edu.iq/index.php/JMAUC/article/view/87. Acesso em: 1 may. 2026.