Clinical effect of double plastic biliary stents implantation combined with ursodeoxycholic acid in the treat⁃ment of difficultly large stone in common bile duct
SUN Yan, LI Jun, SONG Sentao, YUAN Qiongying, FU Xiao, ZHANG Xiaodong, WANG Jing, GUAN Yaping, ZHU Feng
The Journal of Practical Medicine . 2020, (24): 3373 -3377 .  DOI: 10.3969/j.issn.1006⁃5725.2020.24.014