title: Nitrous oxide can be made more effective and predictable using a closed breathing circuit.
authors.forename: F
authors.initials: F
authors.lastname: Weinberg
authors.forename: J
authors.initials: J
authors.lastname: Drake
authors.forename: D
authors.initials: D
authors.lastname: Vaughan
mesh_terms: D000698:Analgesia / Q000379:methods; D018712:Analgesics, Non-Narcotic / Q000008:administration & dosage*; D016292:Procedural Sedation / Q000379:methods; D006801:Humans; D017214:Laryngeal Masks; D009609:Nitrous Oxide / Q000008:administration & dosage*
chemical_list: D018712:Analgesics, Non-Narcotic; D009609:Nitrous Oxide