title: Nasopharyngeal administration of nitrous oxide-oxygen anesthesia:  a technical note.
authors.forename: M J
authors.initials: MJ
authors.lastname: FRUMIN
authors.forename: H
authors.initials: H
authors.lastname: RACKOW
mesh_terms: D000758:Anesthesia; D000769:Anesthesia, Inhalation; D000776:Anesthesiology; D006801:Humans; D009609:Nitrous Oxide; D010100:Oxygen
chemical_list: D009609:Nitrous Oxide; D010100:Oxygen