title: COPD assessment: I, II, III, IV and/or A, B, C, D.
authors.affiliation: Pulmonary and Critical Care Medicine, University Medical Center Giessen and Marburg, Philipps-Universität Marburg.
authors.forename: Claus
authors.initials: C
authors.lastname: Vogelmeier
authors.forename: Jørgen
authors.initials: J
authors.lastname: Vestbo
mesh_terms: D005260:Female; D058006:General Practice / Q000379:methods*; D006801:Humans; D008297:Male; D029424:Pulmonary Disease, Chronic Obstructive / Q000175:diagnosis* / Q000453:epidemiology*; D015272:Pulmonary Medicine / Q000592:standards*