title: A pedunculated papilloma causing ball valve obstruction of the larynx in a two-year-old child.
authors.affiliation: Department of Respiratory Medicine, Royal Alexandra Hospital for Children, Camperdown, New South Wales, Australia.
authors.forename: R J
authors.initials: RJ
authors.lastname: Massie
authors.forename: C M
authors.initials: CM
authors.lastname: Mellis
authors.forename: P P
authors.initials: PP
authors.lastname: van Asperen
mesh_terms: D000402:Airway Obstruction / Q000209:etiology*; D002675:Child, Preschool; D006801:Humans; D007822:Laryngeal Neoplasms / Q000150:complications* / Q000601:surgery; D008297:Male; D010212:Papilloma / Q000150:complications* / Q000601:surgery