Y. Sánchez-Cardona, A. Orozco-Duque, and S. Roldán-Vasco, “Characterization and Classification of Cervical Auscultation Signals Acquired with Stethoscope for Automatic Detection of Swallowing Sound”, Rev Mex Ing Biom, vol. 39, no. 2, pp. 205–216, May 2018.