Calderón Becerra, J., Cabrera Cortina, J., Baez García, C., Ramirez Gonzalez, M., Cortes Coronado, L., Escandón Martínez, B., Paulin Wesseling, R., Barrientos Martínez, M., & Brust Carmona, H. (2018). Portable heart rate monitor for physical exercise: EKT. Mexican Journal of Biomedical Engineering, 8(1), 12. Retrieved from http://rmib.com.mx/index.php/rmib/article/view/609