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Figure 5: Hepatocytes of untreated (a and c) and dimethyl dimethoxy biphenyl dicarboxylate-treated (b and d) mice for 1 and 3 months, respectively (IHC, DAB, ×400), showing 10% and 15% of positive proliferating cell nuclear antigen (a and c) with strong intensity (brownish nuclear stain, black arrow) and 20-30% of positive proliferating cell nuclear antigen (b and d) with strong intensity (brownish nuclear stain, black arrow) |
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