最近，完善的药物技术提高了苍白球切开术的成功几率。

More recently, improved medical technology has increased the chances of successful pallidotomies.

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目的研究苍白球腹后部切开术(PVP)治疗帕金森病(PD)的靶点定位方法及其规律。

Objective to study the target localization at posteroventral pallidotomy (PVP) in order to treat Parkinson's disease (PD) and explore the law of the target coordinates.

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