title: Antecedent-consequent variable concept applied to N2OO2 administration in stage 1-analgesia. Part 2-the characteristic somatic responses.
mesh_terms: D000766:Anesthesia, Dental; D009609:Nitrous Oxide / Q000627:therapeutic use*; D010146:Pain / Q000188:drug therapy
chemical_list: D009609:Nitrous Oxide