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. 2013 May 24;12:45. doi: 10.1186/1476-4598-12-45

Figure 2.

Figure 2

Proliferation rate. Immunohistochemical presence of PCNA-positive cells in tumors from control and DOX16-treated animals with and without iodine supplement for one week. PCNA-positive cells were revealed with diaminobenzidine (brown stain) and counterstained with hematoxylin (purple stain). Data are expressed as the mean ± SD (n = 6). Means with different letters indicate statistically significant differences (p < 0.05).