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A) Percent of esophageal biopsies with full thickness of the epithelium obtained by transnasal endoscopy (TNE) with 1.2mm biopsy forceps (2.8–3.1mm TNE), 2.0mm biopsy forceps (4.0–4.9mm TNE), and by esophagogastroduodenoscopy (EGD) with 2.8mm biopsy forceps. B) Representative images of esophageal biopsies obtained from 1.2mm biopsy forceps, C) 2.0mm biopsy forceps, D) 2.8mm biopsy forceps.
