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Time course of pro‐metalloproteinase 2 (pro‐MMP2) levels measured in both normal and ischaemic wounds treated with placebo or with platelet‐derived growth factor (PDGF). Pro‐MMP2 levels in normal and ischaemic wounds treated with placebo or PDGF were determined by gelatin zymography on days 1, 3, 5, 7, 9 and 13 after surgery.
