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Severe recurrent ulcer bleeding from the gastroduodenal artery at the posterior wall of the duodenal bulb despite primary endoscopic clipping and surgical oversewing (A-D). Visible surgical threads at the ulcer base (A); Intermittent massive re-bleeding at rinsing and suction (B); Successful application of a 12/6t Over-the-Scope-Clip by pulling the ulcer bed into the transparent distal attachment cap (C, D).
