title: Colour coding for piped Entonox hoses.
authors.forename: L
authors.initials: L
authors.lastname: Ng
authors.forename: H
authors.initials: H
authors.lastname: Hopwood
mesh_terms: D019162:Anesthetics, Combined; D003116:Color; D004348:Drug Labeling / Q000379:methods*; D006801:Humans; D008508:Medication Errors / Q000517:prevention & control; D009609:Nitrous Oxide; D010100:Oxygen
chemical_list: D019162:Anesthetics, Combined; C001147:Entonox; D009609:Nitrous Oxide; D010100:Oxygen