| 2000-03-26 |
대한소화기내시경학회 세미나 |
| 2000-03-26 |
Helicobacter pylori :Basic Mechanism To Clinical Cure 2000 |
| 2000-03-25 |
대한췌담도연구회 학술대회 |
| 2000-03-10 |
11th Asian Pacific Congress of Gastroenterology / 8th Asian Pacific Congress of Digestive Endoscopy |
| 2000-03-08 |
Brigham & Womens / Utah Therapeutic GI Endoscopy Course 2000 |