Choopayaka, C., A. Limmongkon, U. Suyasunanont, and S. Poungbangpho. “PCR Detection of ?-thalassemia 1 (Southeast Asian Type) Carriers in the South Northern Thailand”. Asian Health, Science and Technology Reports, vol. 11, no. 2, Aug. 2013, pp. 29-36, https://ph03.tci-thaijo.org/index.php/ahstr/article/view/2467.