Defining an adverse respiratory health effect.
D000393:Air Pollutants / Q000009:adverse effects*; D006801:Humans; D009784:Occupational Diseases / Q000209:etiology*; D012120:Respiration Disorders / Q000209:etiology*; D012955:Societies, Medical; D009626:Terminology as Topic; D014481:United States
D000393:Air Pollutants