title: Environment: Breathing trouble.
authors.forename: Traci
authors.initials: T
authors.lastname: Watson
mesh_terms: D000393:Air Pollutants / Q000009:adverse effects*; D006801:Humans; D008175:Lung Neoplasms / Q000453:epidemiology*; D012307:Risk Factors; D012907:Smoking
chemical_list: D000393:Air Pollutants