Ketupanya, Aphornpirom, Chintana Tocharoentanaphol, and Boonchai Tanyalukpark. “Detetion, Retrieval and Analysis of Fetal Nucleated Red Blood Cells in Maternal Blood: A preliminary Study”. Thai Journal of Obstetrics and Gynaecology 12, no. 2 (August 31, 2017): 123–127. accessed September 28, 2026. https://he02.tci-thaijo.org/index.php/tjog/article/view/97345.