Jongkol Akahat. 1998. MHC class II alleles and immune response to hepatitis B vaccination in Thais. Bangkok:Mahidol University;
Jongkol Akahat. (1998) MHC class II alleles and immune response to hepatitis B vaccination in Thais (รายงานผลงานวิจัย). Mahidol University:Bangkok.
Jongkol Akahat. MHC class II alleles and immune response to hepatitis B vaccination in Thais. Bangkok:Mahidol University, 1998.
Jongkol Akahat. (1998) MHC class II alleles and immune response to hepatitis B vaccination in Thais (รายงานผลงานวิจัย). Mahidol University:Bangkok.