Risk factors for COPD spirometrically defined from the lower limit of normal in the BOLD project

Richard Hooper(Queen Mary University of London), A. Sonia Buist, Anamika Jithoo(University of Iceland), Peter Burney(Imperial College London), Þórarinn Gíslason(University Hospital Foundation), Mary Ann McBurnie(Pennington Biomedical Research Center), Ali Kocabaş(Cukurova University), Wan C. Tan(University of British Columbia), Tobias Welte(Medizinische Hochschule Hannover), William M. Vollmer(Kaiser Permanente Center for Health Research)
European Respiratory Journal
December 19, 2011
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