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. 2021 Jun 29;13(7):2228. doi: 10.3390/nu13072228

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Diagnostic approach in a patient with suspected HIT. IgE—immunoglobulin E; DAO—diamine oxidase; HIT—histamine intolerance; SNPs—single nucleotide polymorphisms; AOC1—amine oxidase copper containing 1. Adapted according to [1,6,9].