Guerrero - Mora, G., E. Palacios - Hernández, J. M. Kortelainen, A. M. Bianchi, and M. O. Méndez. 2014. “Multichannel Analysis of an Unobtrusive Sensor for Sleep Apnea-Hypopnea Detection”. Revista Mexicana De Ingenieria Biomedica 35 (1):29-40. https://rmib.mx/index.php/rmib/article/view/212.