First at the scene: the relief of pain at an accident. Entonox has proved to be a valuable and relatively safe analgesic.
D000059:Accidents; D000328:Adult; D002056:Burns; D004634:Emergency Medical Technicians; D006801:Humans; D008297:Male; D009609:Nitrous Oxide; D010100:Oxygen; D010146:Pain / Q000188:drug therapy*; D012151:Resuscitation
D009609:Nitrous Oxide; D010100:Oxygen