title: COPD staging with GOLD: the newer the better?
authors.affiliation: Respiratory Failure Unit, Aristotle University of Thessaloniki, Thessaloniki, Greece. Electronic address: afboutou@yahoo.com.
authors.forename: Afroditi K
authors.initials: AK
authors.lastname: Boutou
mesh_terms: D005260:Female; D006801:Humans; D008297:Male; D029424:Pulmonary Disease, Chronic Obstructive / Q000175:diagnosis* / Q000401:mortality*; D012720:Severity of Illness Index