ការអប់រំ
2004
Family MedicinePrince of Songkla University, Thailand2002
Plastic SurgeryPrince of Songkla University, Thailand1997
SurgeryPrince of Songkla University, Thailand1993
Doctor of MedicinePrince of Songkla University, Thailandធ្វើការណាត់ជួប
Dr. Ratthasak Loyvirat