title: Chronic obstructive pulmonary disease (COPD).
authors.affiliation: Department of Internal Medicine, Washington University School of Medicine, St. Louis, Missouri, USA. rsenior@imgate.wustl.edu
authors.forename: R M
authors.initials: RM
authors.lastname: Senior
authors.forename: N R
authors.initials: NR
authors.lastname: Anthonisen
mesh_terms: D006801:Humans; D008173:Lung Diseases, Obstructive / Q000209:etiology / Q000503:physiopathology / Q000628:therapy; D012307:Risk Factors