RT Journal Article SR Electronic T1 Effect of Breastfeeding on Asthma, Lung function, and Bronchial Hyperreactivity in ISAAC-Phase-Two JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society DO 10.1183/09031936.00075708 A1 Nagel, G. A1 Büchele, G. A1 Weinmayr, G. A1 Björkstén, B. A1 Chen, Y-Z. A1 Wang, H. A1 Nystad, W. A1 Saraclar, Y. A1 Bråbäck, L. A1 Batlles-Garrido, J. A1 Garcia-Hernandez, G. A1 Weiland, S.K. YR 2009 UL http://erj.ersjournals.com/content/early/2009/01/22/09031936.00075708.abstract AB