Methods Neonatal dogs were performed bile duct ligation (BDL group, n=22) or bile duct ligation/scission (BDL/S group, n=22).

• 方法对新生杂种幼犬进行胆总管双重结扎（胆管结扎组，n=22）或双重结扎并加以切断（胆管切断组，n=22），建立胆管阻塞性肝纤维化模型。