title: Measuring N2O levels in the dental operatory.
mesh_terms: D000393:Air Pollutants / Q000032:analysis*; D000395:Air Pollutants, Occupational / Q000032:analysis*; D000766:Anesthesia, Dental / Q000295:instrumentation; D000769:Anesthesia, Inhalation / Q000295:instrumentation; D003748:Dental Equipment; D003770:Dental Offices; D004781:Environmental Exposure; D006221:Halothane / Q000009:adverse effects / Q000032:analysis; D009609:Nitrous Oxide / Q000009:adverse effects / Q000032:analysis*
chemical_list: D000393:Air Pollutants; D000395:Air Pollutants, Occupational; D009609:Nitrous Oxide; D006221:Halothane