World J Gastroenterol. 2016 Sep 21;22(35):7973-82. doi: 10.3748/wjg.v22.i35.7973.
PMID:27672292
Transluminal intrahepatic bile duct stone removal using a novel spiral basket catheter via the endoscopic ultrasound-guided hepaticogastrostomy route (with video).
Ogura T, Kawai J, Nishiguchi K, Yamamoto Y, Higuchi K.