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Biomarker ratios correlation to percent wound reduction for: (A) IL‐1b/IL‐1ra, (B) MMP‐2/TIMP‐3, (C) MMP‐2/TIMP‐2, and (D) MMP‐10/TIMP‐1. Red data points are from non‐healing venous leg ulcers (VLUs) and blue data points are form healing VLUs
