Perez-Siguas, R. ., H. . Matta-Solis, E. . Matta-Solis, H. . Matta-Perez, A. . Remuzgo-Artezano, L. . Perez-Siguas, and B. . Meneses-Claudio. “Oxygen Saturation and Heart Rate Monitoring System by Mobile”. International Journal on Recent and Innovation Trends in Computing and Communication, vol. 11, no. 7, Sept. 2023, pp. 235-9, doi:10.17762/ijritcc.v11i7.7902.