title: A case for nitrous oxide-oxygen inhalation sedation: an aid in the elimination of the child's fear of the "needle".
mesh_terms: D000293:Adolescent; D000766:Anesthesia, Dental; D000769:Anesthesia, Inhalation; D002648:Child; D002675:Child, Preschool; D005239:Fear; D006801:Humans; D007267:Injections; D009339:Needles; D009609:Nitrous Oxide / Q000008:administration & dosage*; D010100:Oxygen; D010377:Pediatric Dentistry
chemical_list: D009609:Nitrous Oxide; D010100:Oxygen