50
Participants
Start Date
June 1, 2018
Primary Completion Date
October 10, 2018
Study Completion Date
October 10, 2018
polyurethane stent
patients were prospectively enrolled in the study and stratified (non-randomly) into either group A - polyurethane - control group or group B - silicone - experimental group
silicone stent
silicone stent
First Pavlov Saint Petersburg University, Saint Petersburg
St. Petersburg State Pavlov Medical University
OTHER