Duodenal Bulb and Mucosal Surface of Duodenum With Light Micrograph of the Duodenum showing a Plica Circularis and Light Micrograph of the Mucosa and Submucosa of the Duodenum
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Duodenal Adenocarcinoma: Why the Extreme Rarity of Duodenal Bulb Primary Tumors? | Semantic Scholar
LARGE DUODENAL BULB ULCER - Endoscopic appearance - YouTube