Study of Endoscopic Sphincterotomy With Needle Knife Papillotome in Patients of Ampullary Impacted Stone
Clinical trial NCT00173368 · COMPLETED
Trial details
- NCT number
- NCT00173368
- Sponsor
- National Taiwan University Hospital
- Status
- COMPLETED
- Study type
- OBSERVATIONAL
- Start date
- 2003-01-01
- Enrollment
- 20
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