Pharyngeal wall motion in esophageal speech.
D006801:Humans; D007825:Laryngectomy; D008297:Male; D008722:Methods; D008875:Middle Aged; D009991:Oscillometry; D010614:Pharynx / Q000502:physiology*; D012119:Respiration; D013071:Speech, Alaryngeal; D013997:Time Factors; D014159:Transducers; D014465:Ultrasonics