title: Nitrous oxide/oxygen analgesia in palliative care.
mesh_terms: D000698:Analgesia; D004338:Drug Combinations / Q000009:adverse effects / Q000627:therapeutic use; D006801:Humans; D009609:Nitrous Oxide / Q000009:adverse effects / Q000627:therapeutic use*; D010100:Oxygen / Q000009:adverse effects / Q000627:therapeutic use*; D010166:Palliative Care
chemical_list: D004338:Drug Combinations; C001147:Entonox; D009609:Nitrous Oxide; D010100:Oxygen