Nitrous oxide contamination in dentistry.
D000395:Air Pollutants, Occupational / Q000009:adverse effects*; D000766:Anesthesia, Dental / Q000009:adverse effects; D003727:Dental Auxiliaries; D003815:Dentists; D006801:Humans; D009609:Nitrous Oxide / Q000009:adverse effects*; D009784:Occupational Diseases / Q000209:etiology*
D000395:Air Pollutants, Occupational; D009609:Nitrous Oxide