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This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/4.0/).
Boxplot diagram (median values, 25th and 75th percentiles, open circle represents outlier value) illustrating gingival crevicular fluid (GCF) changes in IL-1β (A); IL-6 (B); and VEGF (C) between baseline and at study endpoint in individuals who consumed 500 g bilberries daily.