Panyasai, S. “Deletional a-Thalassemia 1 Gene Detection and Hematological Analysis in Carrier With β-Thalassemia”. Journal of Associated Medical Sciences, vol. 45, no. 1, Jan. 2012, p. 49, https://he01.tci-thaijo.org/index.php/bulletinAMS/article/view/60027.