title: Reply: Prognostic value of functional decline in middle-aged smokers.
authors: M Bradley
authors: MB
authors: Drummond
authors: Robert A
authors: RA
authors: Wise
mesh_terms: D005260:Female; D006801:Humans; D008297:Male; D029424:Pulmonary Disease, Chronic Obstructive / Q000175:diagnosis* / Q000401:mortality*; D012907:Smoking / Q000009:adverse effects*; D016540:Smoking Cessation / Q000706:statistics & numerical data*; D013147:Spirometry / Q000379:methods*
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