方法利用胆道内镜技术，对肝移植术后正常组、胆管损伤组、肝动脉损伤组的病例进行观察，内镜下取活检进行病理分析。
Methods After OLT, all the cases in normal group, bile duct injury group and hepatic artery injury group were observed, diagnosed and recorded respectively.
方法利用胆道内镜技术，对肝移植术后正常组、胆管损伤组、肝动脉损伤组的病例进行观察，内镜下取活检进行病理分析。
Methods After OLT, all the cases in normal group, bile duct injury group and hepatic artery injury group were observed, diagnosed and recorded respectively.
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