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. 2014 Mar;33(3):148–158. doi: 10.5732/cjc.013.10095

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Chinese Journal of Cancer

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Figure 6. — A, immunohistochemical study shows presence of CD44-positive cells in the tumor and in the adjacent brain. Irradiation caused an increase in the foci of CD44-positive areas (black arrow; magnification 2×, 10×, and 40×). B, graphic representation shows a significant increase in the distance traveled by CD44-positive cells in irradiated tumors. *, P < 0.05.