title: The complex challenge of chronic obstructive pulmonary disease.
authors.affiliation: Department of Thoracic Medicine and Surgery, Samuel L Katz School of Medicine at Temple University, Philadelphia, PA 19140, USA.
authors.forename: Sean
authors.initials: S
authors.lastname: Duffy
authors.affiliation: Department of Thoracic Medicine and Surgery, Samuel L Katz School of Medicine at Temple University, Philadelphia, PA 19140, USA.
authors.forename: Mark
authors.initials: M
authors.lastname: Weir
authors.affiliation: Department of Thoracic Medicine and Surgery, Samuel L Katz School of Medicine at Temple University, Philadelphia, PA 19140, USA. Electronic address: gerard.criner@tuhs.temple.edu.
authors.forename: Gerard J
authors.initials: GJ
authors.lastname: Criner
mesh_terms: D006801:Humans; D029424:Pulmonary Disease, Chronic Obstructive / Q000175:diagnosis / Q000628:therapy