title: Acoustic and aerodynamic study of a superior electrolarynx speaker.
mesh_terms: D000162:Acoustics; D001187:Artificial Organs; D004582:Electronics, Medical; D005069:Evaluation Studies as Topic; D006801:Humans; D008297:Male; D008875:Middle Aged; D012123:Pulmonary Ventilation; D013071:Speech, Alaryngeal