title: Chronic exposure to anaesthetic gases in the operating theatre and recovery room.
mesh_terms: D002849:Chromatography, Gas; D004781:Environmental Exposure; D006221:Halothane / Q000032:analysis; D007362:Intensive Care Units; D008722:Methods; D009609:Nitrous Oxide / Q000032:analysis; D009873:Operating Rooms; D014691:Ventilation
chemical_list: D009609:Nitrous Oxide; D006221:Halothane