title: Nitrous oxide-oxygen analgesia and psychosedation for apprehensive children.
mesh_terms: D000293:Adolescent; D000328:Adult; D000766:Anesthesia, Dental / Q000379:methods*; D000769:Anesthesia, Inhalation / Q000379:methods*; D001007:Anxiety / Q000517:prevention & control*; D002648:Child; D002675:Child, Preschool; D003729:Dental Care; D003812:Dentist-Patient Relations; D005260:Female; D006801:Humans; D008297:Male; D009609:Nitrous Oxide
chemical_list: D009609:Nitrous Oxide