Vakil, Smit Hiren, and Mona Mehta, trans. “Case Report of a Type II Single Umbilical Artery Seen in the First Trimester Anomaly Scan”. Indian Journal of Case Reports 9, no. 9 (February 1, 2024): 264–267. Accessed December 5, 2025. https://mansapublishers.com/ijcr/article/view/4149.