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. 2015 Apr 1;15:41. doi: 10.1186/s12876-015-0268-4

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© Raithel et al.; licensee BioMed Central. 2015

This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Urinary methylhistamine excretion (UMH) in patients with gastrointestinally mediated allergy (GMA) and controls. Horizontal lines represent the median of the group. Comparison of mediator excretion in both groups during unrestricted diet and a hypoallergenic elimination diet.