title: Is FEV1 determined in a plethysmograph a better indication of obstructive lung disease than FEV1 determined by a spirometer?
authors.affiliation: Institute of Public Health, University of Aarhus, Aarhus, Denmark ofp@ph.au.dk.
authors.forename: Ole F
authors.identifier: http://orcid.org/0000-0002-1153-3844
authors.initials: OF
authors.lastname: Pedersen
mesh_terms: D016477:Artifacts; D006801:Humans; D010993:Plethysmography, Whole Body / Q000379:methods*; D029424:Pulmonary Disease, Chronic Obstructive / Q000175:diagnosis* / Q000503:physiopathology*; D012129:Respiratory Function Tests / Q000379:methods*; D012720:Severity of Illness Index