title: Spirometry for COPD is both underutilized and overutilized.
authors: Paul
authors: P
authors: Enright
authors: Philip
authors: P
authors: Quanjer
mesh_terms: D000369:Aged, 80 and over; D006801:Humans; D010349:Patient Compliance; D029424:Pulmonary Disease, Chronic Obstructive / Q000175:diagnosis* / Q000503:physiopathology; D012720:Severity of Illness Index; D013147:Spirometry / Q000706:statistics & numerical data