title: Date-expired nitrous oxide cylinders.
authors: London N12 8BA, UK.
authors: D
authors: D
authors: Zuck
mesh_terms: D018685:Anesthetics, Inhalation; D004348:Drug Labeling; D006801:Humans; D009609:Nitrous Oxide; D013997:Time Factors
chemical_list: D018685:Anesthetics, Inhalation; D009609:Nitrous Oxide