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. 2019 May 24;28(6):1779–1784. doi: 10.1007/s10068-019-00627-3

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© The Author(s) 2019

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Fig. 3 — Scatter-plot of symptoms sum-score of respiratory symptoms (rhinorrhea, nose congestion, sneezing and asthma) throughout the study period of 8 weeks. Oral supplementation of DAO from visit 1 to visit 3 (V1 to V3); no oral DAO from visit 3 to visit 5 (V3 to V5)