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. SEATROPH 2021, 51 (5), 634-639.