ပညာ

2004
GastroenterologyThai Medical Council, Thailand
1985
GastroenterologyAmerican Board of Internal Medicine, United States
1984
GastroenterologyUniversity of Alberta, Canada
1983
Internal MedicineUniversity of Alberta, Canada
1982
Internal MedicineAmerican Board of Internal Medicine, United States
1976
Doctor of MedicineChulalongkorn University, Thailand

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