title: Chronic obstructive pulmonary disease: do regional differences in tissue inflammation matter?
authors.forename: Stephan F
authors.initials: SF
authors.lastname: van Eeden
authors.forename: James C
authors.initials: JC
authors.lastname: Hogg
mesh_terms: D006801:Humans; D008168:Lung / Q000473:pathology*; D008264:Macrophages / Q000473:pathology; D029424:Pulmonary Disease, Chronic Obstructive / Q000453:epidemiology / Q000473:pathology*; D012307:Risk Factors; D012907:Smoking / Q000453:epidemiology / Q000473:pathology*