title: Chronic obstructive pulmonary disease and risk of lung cancer: the importance of smoking and timing of diagnosis.
authors.forename: Helen A
authors.initials: HA
authors.lastname: Powell
authors.forename: Barbara
authors.initials: B
authors.lastname: Iyen-Omofoman
authors.forename: David R
authors.initials: DR
authors.lastname: Baldwin
authors.forename: Richard B
authors.initials: RB
authors.lastname: Hubbard
authors.forename: Laila J
authors.initials: LJ
authors.lastname: Tata
mesh_terms: D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000175:diagnosis* / Q000453:epidemiology*; D008297:Male; D029424:Pulmonary Disease, Chronic Obstructive / Q000175:diagnosis* / Q000453:epidemiology*; D012907:Smoking / Q000453:epidemiology*