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- 70th Annual Session of American College of Internal Medicine,
Sanfransisco, USA, (1988)
- American Association Study of Liver Disease, Chicago, USA (1990)
- Digestive Disease Weak, New Orleans, USA, (1991)
- American Association Study of Liver Disease, Chicago, USA (1991)
- Comprehensive Review of Gastroenterology/Harvard Medical School
Boston, USA (1992)
- Digestive Disease Weak, San Francisco, USA, 1992
- European Association Study of Liver Disease, Barcelona, Spain (1993)
- 11th Arab Conference on Liver Disease, Cairo, Egypt (1995)
- Emirates Gastroenterology Conference, Dubai, UAE (1995)
- American Association Study of Liver Disease, Chicago, USA, (1996)
- American Association Study of Liver Disease, Chicago, USA, (1997)
- Pan Asian Study of Liver Disease, Perth, Australia (1998)
- American Association Study of Liver Disease, Chicago, USA (1998)
- American Association Study of Liver Disease, Dallas, USA (1999)
- 6th Saudi Gastroenteroloy Association, Jeddah, KSA (1999)
- American Association Study of Liver Disease, Dallas, USA (2000)
- International Conference on Advance Medicine, Jeddah, KSA (2001)
- Update on Infectious Disease, Jeddah, KSA (2001)
- The First International Endoscopy Work Shop, Jeddah, KSA (2002)
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