[Air pollution].
D000393:Air Pollutants / Q000009:adverse effects / Q000032:analysis; D000397:Air Pollution / Q000009:adverse effects / Q000032:analysis / Q000517:prevention & control; D002677:Chile; D004391:Dust / Q000009:adverse effects / Q000032:analysis; D006801:Humans; D012140:Respiratory Tract Diseases / Q000209:etiology; D012621:Seasons; D001335:Vehicle Emissions / Q000009:adverse effects / Q000032:analysis
D000393:Air Pollutants; D004391:Dust; D001335:Vehicle Emissions
Contaminación atmosférica.