title: [COPD: from unjustified nihilism to reasonable optimism].
authors.affiliation: Pulmonary and Critical Care Department. St. Elizabeth's Medical Center. Tufts University School of Medicine. Boston. USA.
authors.forename: B
authors.initials: B
authors.lastname: Celli
mesh_terms: D006801:Humans; D029424:Pulmonary Disease, Chronic Obstructive / Q000150:complications* / Q000175:diagnosis*; D009626:Terminology as Topic