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. Author manuscript; available in PMC: 2019 Nov 22.
Published in final edited form as: Expert Rev Gastroenterol Hepatol. 2019 Nov 8;13(11):1089–1105. doi: 10.1080/17474124.2019.1685871

Figure 12:

Figure 12:

Minor papilla (arrow) clearly identified after spraying duodenal mucosa with methylene blue and administration of secretin to enhance pancreatic secretion.