Department of Gastroenterology and Hepatology;
Kindai University Faculty of Medicine;
Osaka-Sayama 589-8511;
Japan;
Clinical Research Center;
Kindai University Hospital;
Osaka-Sayama 589-8511;
Japan;
Endoscopic ultrasound; Endoscopic ultrasound-guided biliary drainage; Interventional endoscopic ultrasound; Biliary drainage; Biliary obstruction;