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Macrophage infiltration into injured area after contusion injury with/without P. glandulosa treatment. The data are expressed as mean ± SEM. Analysis was done by two-way ANOVA. n = 5 per time-point/per group; Differences over time are indicated by solid lines; Significance: All groups: **p < 0.001 uninjured vs. 1 day; 1 h vs. 1 day; 3 h vs. 1 day; 7 days vs. 1 day.
