ការអប់រំ
2006
Internal MedicineAmerican Board of Internal Medicine, United States of America1999
HematologyAmerican Board of Internal Medicine, United States of America1999
Medical OncologyAmerican Board of Internal Medicine, United States of America1999
Hematology & OncologyUniversity of Chicago Medical Center, United States of America1991
Internal MedicineSiriraj Hospital, Thailand1985
Doctor of MedicineSiriraj Hospital, Mahidol University, Thailand
