Objective: The aim of this study is to compare the clinical results obtained with the cutting seton and the loose seton in the surgical management of ischiorectal abscess.
试验
采用切开加虚挂引流的方法；对照采用传统的切开挂线术。
Objective: The aim of this study is to compare the clinical results obtained with the cutting seton and the loose seton in the surgical management of ischiorectal abscess.
试验采用切开加虚挂引流的方法；对照采用传统的切开挂线术。
声明：以上例句、词性分类
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