Objective: To investigate the efficacy of endoscopic naso-biliary drainage in the management of elderly patients with acute obstructive purulent cholangitis.
目的：观察经内镜鼻胆管引流术治疗老年急性梗阻性化脓性胆管炎的疗效。
Objective: To investigate the efficacy of endoscopic naso-biliary drainage in the management of elderly patients with acute obstructive purulent cholangitis.
目的：观察经内镜鼻胆管引流术治疗老年急性梗阻性化脓性胆管炎的疗效。
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