title: Air pollution and mortality in a cohort of patients with chronic obstructive pulmonary disease: a time series analysis.
authors.affiliation: Respiratory and Environmental Health Unit, IMIM, Barcelona, Spain.
authors.forename: J
authors.initials: J
authors.lastname: Garcia-Aymerich
authors.forename: A
authors.initials: A
authors.lastname: Tobías
authors.forename: J M
authors.initials: JM
authors.lastname: Antó
authors.forename: J
authors.initials: J
authors.lastname: Sunyer
mesh_terms: D000393:Air Pollutants / Q000009:adverse effects*; D015331:Cohort Studies; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000209:etiology / Q000401:mortality*; D009585:Nitrogen Dioxide / Q000009:adverse effects; D013030:Spain / Q000453:epidemiology; D013458:Sulfur Dioxide / Q000009:adverse effects
chemical_list: D000393:Air Pollutants; D013458:Sulfur Dioxide; D009585:Nitrogen Dioxide