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| | Dr. Koop - ERCP |
 | | Endoscopic retrograde cholangiopancreatography (ERCP) is an endoscopic procedure used to identify stones, tumors, or narrowing in the bile ducts. |
 | | A special flexible tube (endoscope) is inserted through the mouth into the duodenum (the portion of the small intestine that is closest to the stomach). |
 | | The drkoop.com URL and web site is not associated with C. Everett Koop, M.D., former Surgeon General of the United States. |
| www.drkoop.com /ency/93/003893.html (153 words) |
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