Treatment of biliary stenosis using percutaneous transhepatic cholangiobiopsy with biopsy forceps of varying diameter - Wu, Zheng-Yang; Jiao, De-Chao; Guo, Fang-Fang; Zhang, Dan-Dan; Ren, Jian-Zhuang; Han, Xin-Wei (Quantitative Imaging in Medicine and Surgery, 2021)