ENDOSCOPY: GASTROINTESTINAL: GI: DUODENUM: ULCER, PEPTIC; DUODENUM, BULB, EDEMATOUS FOLDS; A2SC, ULCER WITH EDEMATOUS FOLDS
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ENDOSCOPY: GASTROINTESTINAL: GI: DUODENUM: ULCER, PEPTIC; DUODENUM, BULB, EDEMATOUS FOLDS; A2SC, ULCER WITH EDEMATOUS FOLDS