Waste nitrous oxide exposure.
D000395:Air Pollutants, Occupational / Q000032:analysis*; D000397:Air Pollution / Q000517:prevention & control; D000766:Anesthesia, Dental / Q000295:instrumentation; D003740:Dental Clinics; D004781:Environmental Exposure; D006801:Humans; D009609:Nitrous Oxide / Q000032:analysis*; D012306:Risk; D014691:Ventilation
D000395:Air Pollutants, Occupational; D009609:Nitrous Oxide