1.
Pratap C, Thakur S. Prediction of pre-eclampsia in early pregnancy using PAPP-A and uterine artery pulsatility index. Int J Reprod Contracept Obstet Gynecol [Internet]. 2018 Nov. 26 [cited 2025 Oct. 27];7(12):5005-10. Available from: https://www.ijrcog.org/index.php/ijrcog/article/view/5674