Effect of Anatomy of Major Duodenal Papilla on the Difficulty of Cannulation During Endoscopic Retrograde Cholangiopancreatography
Clinical trial NCT03550768 · COMPLETED
Trial details
- NCT number
- NCT03550768
- Sponsor
- Air Force Military Medical University, China
- Status
- COMPLETED
- Study type
- OBSERVATIONAL
- Start date
- 2018-05-07
- Primary completion
- 2019-04-20
- Enrollment
- 658
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