Does prophylactic endoscopic sclerotherapy prevent variceal bleeding or not? A question of experimental design.
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Yale University School of Medicine, Department of Veterans Affairs Medical Center, West Haven, Connecticut.
D004630:Emergencies; D004932:Esophageal and Gastric Varices / Q000150:complications*; D006471:Gastrointestinal Hemorrhage / Q000209:etiology / Q000517:prevention & control* / Q000628:therapy; D006801:Humans; D016031:Liver Transplantation; D011300:Preoperative Care; D015911:Sclerotherapy