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Smooth muscle alpha actin positive cells (A) and NG2+ cells (B) in tissue sections obtained from the control animal (21 days) and the laser-treated animal (C, D) respectively. Immunohistochemical expression of NG2 in the perivascular cells in the wounded area in the control animal (E) and the laser-treated animal (F) after 28 days. Immunohistochemistry, anti-muscle alpha actin anti-NG2, X 200.
