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