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1992 Scientific Session of the Society of American Gastrointestinal Surgeons (SAGES) Washington, D.C., USA, April 11–12, 1992

American Gastrointestinal SurgeonsScientific SessionGastroenterologySurgical ScienceApril 11–12SurgeryUpper Gastrointestinal SurgeryMedicineDigestive System SurgeryAnesthesiology