First months of employment and new onset of rhinitis in adolescents
E. Riu, H. Dressel, D. Windstetter, G. Weinmayr, S. Weiland, C. Vogelberg, W. Leupold, E. von Mutius, D. Nowak, K. Radon
European Respiratory Journal Sep 2007, 30 (3) 549-555; DOI: 10.1183/09031936.00149206