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Figure 2. Box-and-whiskers plots showing IL-6 serum levels before and 2 and 6 mos following treatment of periodontitis (N = 94). P = 0.021 and P = 0.006 Wilcoxon rank-sum paired test compared with baseline.

J DENT RES, Vol. 83, No. 2, 156-160 (2004)
DOI: 10.1177/154405910408300214

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