Zarco, J., J. Calderon, I. Meneses, and H. Brusi. “Cardiac Activity Monitor With Cathode Ray Tube”. Revista Mexicana de Ingenieria Biomedica 10, no. 1 (May 17, 2018): 6. Accessed November 25, 2024. https://rmib.com.mx/index.php/rmib/article/view/753.