S. Surapot, G. Fucharoen, W. Saijuntha, S. Hongseng, K. Sanchaisuriya, and S. Fucharoen, “Hb E - alpha - thalassemia at Maharaj Nakhon Si Thammarat hospital”, Arch AHS, vol. 21, no. 1, pp. 31–39, Dec. 2009.