title: Pictures in nursing. Entonox and its role in nursing care.
mesh_terms: D000698:Analgesia; D005260:Female; D006801:Humans; D008297:Male; D009609:Nitrous Oxide / Q000008:administration & dosage*; D010148:Intractable Pain / Q000188:drug therapy / Q000451:nursing*; D012646:Self Administration
chemical_list: D009609:Nitrous Oxide