Prevention of upper gastrointestinal bleeding.
Peterson
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WL
D016638:Critical Illness / Q000401:mortality; D004381:Duodenal Ulcer / Q000150:complications; D006471:Gastrointestinal Hemorrhage / Q000517:prevention & control*; D006801:Humans; D010438:Peptic Ulcer Hemorrhage / Q000517:prevention & control; D012307:Risk Factors