title: Conversion from small (0.018 inch) to large (0.038 inch) guide wires in percutaneous drainage procedures.
mesh_terms: D002404:Catheterization / Q000295:instrumentation; D004322:Drainage / Q000295:instrumentation*; D006801:Humans; D011138:Polytetrafluoroethylene
chemical_list: D011138:Polytetrafluoroethylene