Clinical observation of biliary stent placement under ERCP in the treatment of elderly patients with extrahepatic biliary malignant obstruction

Xu Zhe, Wang Zhen, Li Huanxiang, Chen Zhicai, Shao Zili

Journal of Practical Hepatology . 2019, (2): 276 -279 . DOI: 10.3969/j.issn.1672-5069.2019.02.031