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Representative examples of cross-sections of esophageal mucosa after EB perfusion. (A) No stain; undamaged mucosa + EB. (B) Weak stain; damaged mucosa (acid solution 90 minutes ) + EB. (C) Strong stain; damaged mucosa (pepsin solution 60 minutes) + EB. (D) No stain; damaged mucosa (acid solution 90 minutes) + Esoxx + EB.
Note: No stain also in the damaged mucosa (pepsin solution 60 minutes) + Esoxx + EB.
Abbreviation: EB, Evans blue dye.
