title: Chronic obstructive pulmonary disease.
authors.forename: R
authors.initials: R
authors.lastname: Doyle
mesh_terms: D000531:Altitude; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000209:etiology / Q000401:mortality*; D012907:Smoking / Q000009:adverse effects; D014481:United States