title: The concentration of waste anaesthetic agents in dental surgeries.
mesh_terms: D000395:Air Pollutants, Occupational / Q000032:analysis; D000766:Anesthesia, Dental; D000768:Anesthesia, General; D003770:Dental Offices; D004781:Environmental Exposure; D006221:Halothane / Q000032:analysis*; D009609:Nitrous Oxide / Q000032:analysis*
chemical_list: D000395:Air Pollutants, Occupational; D009609:Nitrous Oxide; D006221:Halothane