Kindermann, A.; Demmelmair, Hans; Koletzko, Berthold; Krauss-Etschmann, Susanne; Wiebecke, B. und Koletzko, Sibylle
(2000):
Influence of age on 13C-urea breath test results in children.
In: Journal of pediatric gastroenterology and nutrition, Vol. 30, No. 1: pp. 85-91