[Optimal concentrations of nitrous-oxide and oxygen in inhalation sedation in dentistry].
D000766:Anesthesia, Dental; D000769:Anesthesia, Inhalation; D006801:Humans; D009609:Nitrous Oxide / Q000008:administration & dosage*; D010100:Oxygen / Q000008:administration & dosage*; D011229:Preanesthetic Medication
D009609:Nitrous Oxide; D010100:Oxygen