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Compare the Knob-tipped Knife With the Needle Knife in Difficult Biliary Cannulation

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ClinicalTrials.gov Identifier: NCT01745978
Recruitment Status : Unknown
Verified December 2012 by Zhaoshen Li, Changhai Hospital.
Recruitment status was:  Recruiting
First Posted : December 10, 2012
Last Update Posted : December 10, 2012
Sponsor:
Information provided by (Responsible Party):
Zhaoshen Li, Changhai Hospital

No Study Results Posted on ClinicalTrials.gov for this Study
  Recruitment Status : Unknown
  Estimated Primary Completion Date : June 2014
  Estimated Study Completion Date : December 2014