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. 2022 Feb 4;3(1):e173. doi: 10.1097/PG9.0000000000000173

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Copyright © 2022 The Author(s). Published by Wolters Kluwer Health, Inc. on behalf of the European Society for Pediatric Gastroenterology, Hepatology, and Nutrition and the North American Society for Pediatric Gastroenterology, Hepatology, and Nutrition.

This is an open access article distributed under the Creative Commons Attribution License 4.0 (CCBY), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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FIGURE 1. — Intestinal biopsies demonstrate a paucity of enteroendocrine cells as stained using Chromogranin-A and GLP-1. Patient (A) duodenum with H&E stain (200×), (B) duodenum with Chromogranin A stain (200×), and (C) colon with GLP-1 immunofluorescent stain (scale bar 25 μm). Age-matched control (D) duodenum with H&E stain (200×), (E) duodenum with Chromogranin A stain (200×), and (F) colon with GLP-1 immunofluorescent stain highlighting GLP-1 expressing enteroendocrine cells (arrowheads, scale bar 25 μm).