title: Reusable Robertshaw tube.
authors.forename: H N
authors.initials: HN
authors.lastname: Ng
authors.forename: B C
authors.initials: BC
authors.lastname: Ong
mesh_terms: D000402:Airway Obstruction / Q000209:etiology*; D000769:Anesthesia, Inhalation / Q000295:instrumentation*; D001999:Bronchoscopy / Q000379:methods*; D005336:Fiber Optic Technology / Q000295:instrumentation; D006801:Humans; D007442:Intubation, Intratracheal / Q000009:adverse effects* / Q000295:instrumentation*; D008297:Male; D008875:Middle Aged