Difficult Cannulation Criteria in Trainee Involved ERCP Cannulation
NCT04609917
·
clinicaltrials.gov ↗
COMPLETED
Status
4415
Enrollment
OTHER
Sponsor class
Conditions
Biliary Cannulation
Endoscopic Retrograde Cholangiopancreatography
Interventions
PROCEDURE:
trainee invlovement
Sponsor
Air Force Military Medical University, China