A Prospective Randomized Study for Efficacy of Uncovered Double Bare Metallic Stent Compared to Uncovered Single Bare Metallic Stent in Malignant Biliary Obstruction
Conditions
- Malignant Biliary Obstruction
Interventions
- PROCEDURE: metallic biliary stent insertion (double bare - S&G Biotech.)
- PROCEDURE: metallic biliary stent insertion (single bare - S&G Biotech.)
- PROCEDURE: metallic biliary stent insertion (single bare - Taewoong Medical.)
Sponsor
Yonsei University