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Inflammatory mediator levels measured by ELISA in the gingival tissue samples obtained from subjects with different periodontal conditions: healthy (H) (n=12), aggressive periodontitis (AP) (n=10) and chronic periodontitis (CP) (n=11). In A: GM-CSF, in B: TNF-α and in C: ICAM-1. (Kruskal-Wallis; * p<0,05). Bars: median of individual groups
