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Immunohistochemical staining of Ki‐67, E‐cadherin and VEGF in PTC lesions. Formalin‐fixed and paraffin‐embedded PTC tissue sections were stained with the Elivision™ plus two‐step system and specific antibodies against Ki‐67, E‐cadherin and VEGF. PTC tissues showed typical staining patterns of Ki‐67 (a), E‐cadherin (b) and VEGF (c) and negative control (d) (magnification ×400). [Colour figure can be viewed at http://wileyonlinelibrary.com]
