title: A neglected source of nitrous oxide in operating room air.
mesh_terms: D000397:Air Pollution / Q000032:analysis*; D000769:Anesthesia, Inhalation; D009609:Nitrous Oxide / Q000032:analysis*; D009873:Operating Rooms; D014691:Ventilation / Q000592:standards*
chemical_list: D009609:Nitrous Oxide