ECG Monitoring System Based on Microcontroller. Diyala Journal of Engineering Sciences , [S. l.], v. 9, n. 2, p. 62–72, 2016. DOI: 10.24237/djes.2016.09209. Disponível em: https://www.djes.info/index.php/djes/article/view/275. Acesso em: 1 may. 2025.