title: Post-laryngectomy speech: an evaluation of a Japanese pneumatic speech aid.
mesh_terms: D000368:Aged; D004582:Electronics, Medical; D005069:Evaluation Studies as Topic; D006801:Humans; D007564:Japan; D007825:Laryngectomy; D008297:Male; D012656:Self-Help Devices; D013071:Speech, Alaryngeal