A novel technique to monitor human body vital signs. International Journal of Biomedical and Advance Research, [S. l.], v. 4, n. 9, p. 642–651, 2013. DOI: 10.7439/ijbar.v4i9.471. Disponível em: https://ssjournals.co.in/index.php/ijbar/article/view/375. Acesso em: 11 mar. 2026.