Nitrous oxide for pain control in the emergency department.
D004636:Emergency Service, Hospital; D006801:Humans; D009609:Nitrous Oxide / Q000009:adverse effects / Q000627:therapeutic use*; D009784:Occupational Diseases / Q000139:chemically induced; D010146:Pain / Q000188:drug therapy*; D012646:Self Administration
D009609:Nitrous Oxide