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. 2021 Mar 27;76(8):2488–2499. doi: 10.1111/all.14811

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© 2021 The Authors. Allergy published by European Academy of Allergy and Clinical Immunology and John Wiley & Sons Ltd.

This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc-nd/4.0/ License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.

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Absolute eNose deviations pre‐ and post‐challenge. Absolute mean deviation percentages (|%|) of all healthy (top) and asthmatic (bottom) participants. Only sensors with significant differences (also after FDR adjustment) between the pre‐ (blue) and post‐challenge (orange) phase, for either one or both groups, are shown. Each dot represents the personal mean deviation pre‐ or post‐challenge, connected by a line, to visualize individual differences between the two study phases. Note that scales differ between sensors, but not between groups.