Lumen-Apossing Metal Stents With Or Without Pigtail Stent In Endoscopic Ultrasound-Guided Biliary Drainage For Malignant Obstruction:An Open-Label Multicenter Randomized Trial (Bampi Study)
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request. ### Instruction: Identify all the mentioned drugs in the given text. Text may or may not contain drug. If they contain more than 1 drug, use ";" as delimiter and join them. ### Input: Lumen-Apossing Metal Stents With Or Without Pigtail Stent In Endoscopic Ultrasound-Guided Biliary Drainage For Malignant Obstruction:An Open-Label Multicenter Randomized Trial (Bampi Study) ### Output: 