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