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. 2020 Jun 19;9(6):537. doi: 10.3390/antiox9060537

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© 2020 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 (http://creativecommons.org/licenses/by/4.0/).

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Impact of defined cigarette consumption on blood plasma levels of IL-22. sSm (n = 10) were allowed to smoke two cigarettes in a time interval of 15 min (sSm), while nSm (n = 10) were subjected to fresh air consumption for the same time span. Measurements were done in blood serum samples taken before (0 h) and 4 h after smoking by ELISA. Absolute data are illustrated by boxplot chart with percentiles 25 and 75, median (black line), mean (black square) and outliers (black cross), * p ≤ 0.05.