title: A countermeasure for the vocal and tracheal disturbances caused by the long-term use of the endotracheal tube in about 56 cases.
mesh_terms: D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D007442:Intubation, Intratracheal / Q000009:adverse effects* / Q000295:instrumentation; D008297:Male; D008875:Middle Aged; D013997:Time Factors; D014133:Tracheal Diseases / Q000209:etiology; D014135:Tracheal Stenosis / Q000209:etiology*; D014456:Ulcer / Q000209:etiology