The role of the 17q21 genotype in the prevention of early childhood asthma and recurrent wheeze by vitamin D
R. Kelly, B. Chawes, F. Guo, Li Zhang, K. Blighe, A. Litonjua, B. Raby, B. Levy, Daniela Rago, J. Stokholm, K. Bønnelykke, H. Bisgaard, Xiaobo Zhou, J. Lasky-Su, S. Weiss
European Respiratory Journal