title: [Progressive dyspnea in COPD: not always caused by smoking. Advanced emphysema with bronchopneumonia].
authors.forename: Peter
authors.initials: P
authors.lastname: Stiefelhagen
mesh_terms: D001996:Bronchopneumonia / Q000000981:diagnostic imaging*; D003937:Diagnosis, Differential; D004417:Dyspnea / Q000000981:diagnostic imaging / Q000209:etiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D029424:Pulmonary Disease, Chronic Obstructive / Q000000981:diagnostic imaging*; D011656:Pulmonary Emphysema / Q000000981:diagnostic imaging*; D011859:Radiography; D012907:Smoking / Q000009:adverse effects*