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Figure 2. Photomicrographs of Immunohistochemical Staining in Mild P16-negative OED
A: Patchy P16 staining. B: Negative ALDH1 staining. C: Negative OCT4 staining. D: Positive SOX2 staining. E: Positive CD44 staining. Original magnification ×100 for A, B, D, E; ×400 for C.