FIGURE 3. Rear pad thickness after collagen injection. Bars represent average values of rear pad thickness, expressed in millimeters, of each group of mice immediately before and after collagen injection. Error bars represent ±1 SD from mean value. N.S. = no significant difference from baseline measurements; TX = treatment. *Significant (P < 0.05) difference from baseline measurements. **Highly significant difference (P < 0.01) from baseline measurements.

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