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Figure 2 Sections stained with haematoxylin and eosin (A, B), and immunostaining of p63 (C, D), K19 (E, F) and vimentin (G, H) in non‐preserved cultured epithelial cells (A, C, E and G) and cultured epithelial cells preserved for 1 week at 23°C (B, D, F and H). Original magnification: ×100.
