Air pollution and mortality in a cohort of patients with chronic obstructive pulmonary disease: a time series analysis.
Garcia-Aymerich
J
J
Respiratory and Environmental Health Unit, IMIM, Barcelona, Spain.
Tobías
A
A
Antó
J M
JM
Sunyer
J
J
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
D000393:Air Pollutants; D013458:Sulfur Dioxide; D009585:Nitrogen Dioxide