Objective:To investigate the effect and the mechanism of intragastric administration of gentamicin and lactulose on stress ulcer in rats with obstructive jaundice.

• 目的：探讨乳果糖和庆大霉素灌胃对梗阻性黄疸（梗黄）大鼠应激性溃疡的影响及可能机制。