1.
Phithakwatchara N, Phatihattakorn C. Specificity of Hypocoiled Umbilical Cord in Prediction of Fetal Trisomy 21 in the Second Trimester. Siriraj Med J [Internet]. 2020 Jul. 31 [cited 2024 Mar. 28];62(4):170-2. Available from: https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/243895