At the 14 or 35 days after injection of MCT , drug group rats were scared and the organs harvest for the analysis; the same measure contributes to operation group rats.

• 其中模型组分为药物模型组和手术模型组，每组12只，药物模型组在注射野百合碱(MCT)后14d、35d分别取6只大鼠进行实验观察，手术模型组大鼠在术后3月行实验观察，建立相应对照组。