M. Yussara, C. Leelayuwat, Y. Urwijitaroon, S. Barusrux, J. Promwong, and R. Tadein, “Prevalence of hepatitis virus infections in the first donating blood donors at the Regional YALA Hospital during 2001-2005”, Arch AHS, vol. 19, no. 1, Jan. 2010.