“SURVEY OF COUPLES IN UPPER NORTHERN THAILAND (JANUARY - DECEMBER 2019) AT RISK OF HAVING NEWBORNS WITH THALASSEMIA DISEASE: Sakorn Pornprasert1, Manoo Punyamung2, Panida Pongpunyayuen2, Surada Satthakarn3, Sitthichai Panyasai3 and Nutjeera Intasai1”. 2020. The Southeast Asian Journal of Tropical Medicine and Public Health, vol. 51, no. 5, Aug. 2021, pp. 634-9, https://journal.seameotropmednetwork.org/index.php/jtropmed/article/view/247.