| 2004-06-25 |
3rd Annual New and Emerging Diagnostic and Therapeutic Techniques in Endoscopy |
| 2004-06-16 |
World Congress on Gastrointestinal Cancer |
| 2004-06-05 |
American Society of Clinical Oncology Annual Meeting 2004 |
| 2004-06-02 |
6th World Congress of the International Hepato-Pancreato-Biliary Association |