title: 'Duck speech'.
authors.forename: N M
authors.initials: NM
authors.lastname: Tierney
authors.forename: R
authors.initials: R
authors.lastname: Glew
mesh_terms: D000368:Aged; D004646:Emphysema / Q000150:complications*; D006801:Humans; D008297:Male; D011183:Postoperative Complications; D014135:Tracheal Stenosis / Q000150:complications*; D014832:Voice Disorders / Q000209:etiology*