Nitrous oxide as a complement to I.V. sedation.
D000766:Anesthesia, Dental / Q000379:methods*; D000769:Anesthesia, Inhalation / Q000379:methods; D000771:Anesthesia, Intravenous; D003975:Diazepam / Q000494:pharmacology*; D006801:Humans; D009609:Nitrous Oxide / Q000494:pharmacology
D009609:Nitrous Oxide; D003975:Diazepam