Performance of nitrous oxide-0xygen sedation machines.
D000766:Anesthesia, Dental / Q000295:instrumentation; D000769:Anesthesia, Inhalation / Q000295:instrumentation*; D005069:Evaluation Studies as Topic; D006801:Humans; D009609:Nitrous Oxide / Q000008:administration & dosage*; D010100:Oxygen / Q000008:administration & dosage
D009609:Nitrous Oxide; D010100:Oxygen