[Application of nitrous oxide analgesia in dental clinics].
D000766:Anesthesia, Dental / Q000295:instrumentation / Q000379:methods; D000769:Anesthesia, Inhalation / Q000295:instrumentation / Q000379:methods; D003740:Dental Clinics; D006801:Humans; D009609:Nitrous Oxide
D009609:Nitrous Oxide