UMADI, L.; AZAM, S.; SIDEK, K. Heart Abnormality Detection Technique using PPG Signal. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), [S. l.], v. 8, n. 12, p. 73–77, 2016. Disponível em: https://jtec.utem.edu.my/jtec/article/view/1438. Acesso em: 22 jul. 2024.