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Lung function of school children with low levels of α1-antitrypsin and tobacco smoke exposure
O.S. von Ehrenstein, E. von Mutius, E. Maier, T. Hirsch, D. Carr, W. Schaal, A.A. Roscher, B. Olgemöller, T. Nicolai, S.K. Weiland
European Respiratory Journal 19 (6) 1099-1106; DOI: 10.1183/09031936.02.00104302 Published 1 June 2002