TRIPATHI, Raghvendra Narain. Heart Attack Monitoring by Heartbeat Sensing using IoT. Indian Journal of Computer Science, [S. l.], v. 4, n. 6, p. 35–39, 2019. DOI: 10.17010/ijcs/2019/v4/i6/150424. Disponível em: https://www.indianjournalofentrepreneurship.com/index.php/tcsj/article/view/150424. Acesso em: 7 oct. 2025.