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. 2015 Sep 28;5:14503. doi: 10.1038/srep14503

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Immunofluorescence assessment of tumor tissues were conducted on D22 (the end of the treatment period). (A) Pimonidazole staining showed an improvement of hypoxia in the rh-Endo + IR group. (B) Quantify analysis of CD31 and pimonidazole. *P < 0.05 vs. control, **P < 0.01 vs. control.