Irsa Shuaib, Naheed Khan, Mehmood Akhtar Khattak, Kanwal Rehana, Hina Gul, Kalsoom Nawab. “Single Umbilical Artery Detected on First-Trimester Ultrasound”. Pakistan Journal of Medical & Health Sciences 16, no. 07 (October 9, 2022): 988. Accessed September 27, 2024. https://pjmhsonline.com/index.php/pjmhs/article/view/2584.