title: Vomiting frequency in children administered nitrous oxide-oxygen in analgesic doses.
mesh_terms: D000293:Adolescent; D000698:Analgesia / Q000009:adverse effects; D000766:Anesthesia, Dental; D000769:Anesthesia, Inhalation; D002648:Child; D002675:Child, Preschool; D004435:Eating; D006801:Humans; D009609:Nitrous Oxide / Q000009:adverse effects*; D011229:Preanesthetic Medication; D014839:Vomiting
chemical_list: D009609:Nitrous Oxide