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