ALLEN, L.; YOUNG, N.; WRIGHT, E. heart attack detection method using walking stick. American Academic Scientific Research Journal for Engineering, Technology, and Sciences, [S. l.], v. 10, n. 1, 2014. Disponível em: https://www.asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/140. Acesso em: 28 mar. 2023.