title: Underuse of spirometry in the diagnosis of COPD.
authors.forename: P J P
authors.initials: PJ
authors.lastname: Poels
authors.forename: T R J
authors.initials: TR
authors.lastname: Schermer
authors.forename: C
authors.initials: C
authors.lastname: van Weel
mesh_terms: D006801:Humans; D029424:Pulmonary Disease, Chronic Obstructive / Q000175:diagnosis*; D015203:Reproducibility of Results; D012720:Severity of Illness Index; D013147:Spirometry