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. Author manuscript; available in PMC: 2016 Feb 11.
Published in final edited form as: Ann Otol Rhinol Laryngol. 2015 Jun 15;124(11):893–902. doi: 10.1177/0003489415590657

Figure 2. Pepsin immunohistochemistry demonstrates pepsin in Barrett’s epithelium but not in neighboring normal control tissue.

Figure 2

Pepsin immunohistochemistry (brown) was performed on formalin-fixed, paraffin embedded biopsies from BE and neighboring normal tissue from a BE patient. Hematoxylin (purple) was used as counter-stain.