title: Are you sure that's the oxygen supply?
authors.forename: R
authors.initials: R
authors.lastname: Anker
authors.forename: P
authors.initials: P
authors.lastname: Ramnarayan
mesh_terms: D000552:Ambulances; D004349:Drug Packaging; D006801:Humans; D008508:Medication Errors; D010102:Oxygen Inhalation Therapy / Q000295:instrumentation*