Electroglottography and microphone signals assessed by approximate entropy in normal and dysphonic subjects. - Giovanni Sparacino; Wladimiro De Colle; D. De Luca; Edoardo Arslan (MAVEBA, 2009)

Voice disorders assessed by (cross-) Sample Entropy of electroglottogram and microphone signals. - Chiara Fabris; Wladimiro De Colle; Giovanni Sparacino (Biomed. Signal Process. Control., 2013)