Todumrong, Natavadee, Dhirapatara Charoenvidhya, and Boonchai Uerpairojkit. “Use of Placental Pulsatility Index in High Risk Pregnancy to Predict Fetal Growth Restriction”. Thai Journal of Obstetrics and Gynaecology 30, no. 1 (January 1, 2022): 68–75. accessed September 24, 2026. https://he02.tci-thaijo.org/index.php/tjog/article/view/253447.