title: Correctly defining criteria for diagnosing chronic obstructive pulmonary disease matters.
authors.affiliation: 1 Erasmus University Rotterdam, The Netherlands.
authors.forename: Philip H
authors.initials: PH
authors.lastname: Quanjer
mesh_terms: D006801:Humans; D029424:Pulmonary Disease, Chronic Obstructive / Q000175:diagnosis* / Q000503:physiopathology*; D012129:Respiratory Function Tests / Q000379:methods*