Objective : To explore the technique of T - tube replacement after choledochoscopy.

目的: 探讨纤维胆道镜检查术后重置 T 管的方法和技巧.

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Objective: To ask of rigid semicircle choledochoscopy on the application of laparoscopy extraction for bile duct stone.

目的探讨硬质半曲胆道镜在腹腔镜胆道结石手术中的应用价值.

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