Efficacy Of Multi-Hole Self-Expandable Metal Stents Compared With Fully-Covered Self-Expandable Metal Stents And Uncovered Self-Expandable Metal Stents In Patients With Unresectable Malignant Distal Biliary Obstruction: A Propensity Analysis
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: Efficacy Of Multi-Hole Self-Expandable Metal Stents Compared With Fully-Covered Self-Expandable Metal Stents And Uncovered Self-Expandable Metal Stents In Patients With Unresectable Malignant Distal Biliary Obstruction: A Propensity Analysis ### Output: 