title: Entonox in general practice.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000698:Analgesia; D002648:Child; D002675:Child, Preschool; D005194:Family Practice; D006801:Humans; D008875:Middle Aged; D009609:Nitrous Oxide / Q000008:administration & dosage* / Q000009:adverse effects; D010100:Oxygen / Q000008:administration & dosage; D012646:Self Administration
chemical_list: D009609:Nitrous Oxide; D010100:Oxygen