Establishing a standard technique for nitrous-oxide sedation.
D000766:Anesthesia, Dental / Q000379:methods / Q000592:standards*; D006801:Humans; D009609:Nitrous Oxide / Q000008:administration & dosage / Q000494:pharmacology; D010100:Oxygen / Q000008:administration & dosage
D009609:Nitrous Oxide; D010100:Oxygen