Piwbuakum , Duangkamol. “The effects of genetic counselling program on the acceptance of screening Down’s syndrome among pregnant women under 35 years”. Thammasat University Hospital Journal Online 6, no. 1 (April 27, 2021): 36–49. accessed April 6, 2025. https://he02.tci-thaijo.org/index.php/TUHJ/article/view/250673.