\Disease\Disorder of body system\Disorder of digestive system (disorder)\Disorder of digestive tract (disorder)\Disorder of gastrointestinal tract (disorder)\Gastrointestinal ulcer\Peptic ulcer\Chronic peptic ulcer\Chronic peptic ulcer with obstruction (disorder)\Chronic peptic ulcer with hemorrhage AND obstruction\Chronic peptic ulcer with hemorrhage, with perforation AND wit nferred relationship
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This concept is not in any reference sets
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