双镜联合治疗老年结石性胆管炎合并胆囊结石的临床研究
쌍경연합치료노년결석성담관염합병담낭결석적림상연구
Study of duodenal endoscopy combined with laparoscopy in the treatment of cholangitis with choledocholithiasis and cholecystolithiasis in old patients
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