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Figure 1: (a) Normal epithelium showing heat shock protein (HSP70) immunoexpression in the cytoplasm of basal cells of epithelium (IHC stain, ×100). (b) Mild dysplastic epithelium showing weak immunoexpression of HSP 70 in the entire width of epithelium mainly in the cytoplasm of the cells (IHC stain, x200) |
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