Methods Sixty SD rats were divided into bile duct ligation(BDL) group, cimetidine therapy (BDLC) group and sham operation(SO) group respectively.

• 方法 将SD大鼠60只随机均分成胆总管结扎切断 (BDL)组、西咪替丁治疗 (BDLC)组和假手术对照组 3组。