Research Article
Endoscopic Sphincterotomy before Fully Covered Metal Stent Placement Is Not Required for Distal Malignant Biliary Stricture due to a Pancreatic Head Tumor
Table 2
Comparison of endoscopic procedures between the EST and non-EST groups.
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EST: endoscopic sphincterotomy; IDUS: intraductal ultrasonography; SD: standard deviation. |