title: [Old and new criteria for classifying COPD].
authors.affiliation: Hospital Universitario Miguel Servet, Zaragoza, España. jmmarint@posta.unizar.es
authors.forename: J M
authors.initials: JM
authors.lastname: Marín
mesh_terms: D005541:Forced Expiratory Volume; D006801:Humans; D011379:Prognosis; D029424:Pulmonary Disease, Chronic Obstructive / Q000145:classification* / Q000503:physiopathology