title: Decline of FEV1 by age and smoking status: facts, figures, and fallacies.
authors.affiliation: Department of Pulmonology, University of Groningen, The Netherlands.
authors.forename: H A
authors.initials: HA
authors.lastname: Kerstjens
authors.forename: B
authors.initials: B
authors.lastname: Rijcken
authors.forename: J P
authors.initials: JP
authors.lastname: Schouten
authors.forename: D S
authors.initials: DS
authors.lastname: Postma
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D000375:Aging / Q000502:physiology*; D003430:Cross-Sectional Studies; D005260:Female; D005541:Forced Expiratory Volume / Q000502:physiology*; D006801:Humans; D008168:Lung / Q000502:physiology* / Q000503:physiopathology; D008173:Lung Diseases, Obstructive / Q000503:physiopathology; D008297:Male; D008875:Middle Aged; D012016:Reference Values; D012907:Smoking / Q000503:physiopathology*; D014797:Vital Capacity