title: [Spectrography of the esophageal and tracheal voice. Introduction to spectrography. Spectrographic characteristics of normal voice].
mesh_terms: D000368:Aged; D004582:Electronics, Medical; D004947:Esophagus; D006801:Humans; D008875:Middle Aged; D013016:Sound; D013057:Spectrum Analysis; D013071:Speech, Alaryngeal; D014132:Trachea; D014831:Voice
vernacular_title: Spectrographie de la voix aesophagienne et trachéale. Introduction à la spectrographie. Caractères spectrographiques de la voix normale