Pollution.
D000393:Air Pollutants / Q000032:analysis*; D000395:Air Pollutants, Occupational / Q000032:analysis*; D000397:Air Pollution / Q000517:prevention & control*; D000777:Anesthetics / Q000009:adverse effects; D003770:Dental Offices
D000393:Air Pollutants; D000395:Air Pollutants, Occupational; D000777:Anesthetics