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Histamine challenges discriminate between symptomatic and asymptomatic children
B. Niggemann, S. Illi, C. Madloch, K. Völkel, S. Lau, R. Bergmann, E. von Mutius, U. Wahn, MAS-Study Group
European Respiratory Journal 17 (2) 246-253; DOI: 10.1183/09031936.01.17202460 Published 1 February 2001