Mehboob, Rabia, Hira Mumtaz, and Mustafa Ahmed. “Fetal Intra-Abdominal Umbilical Vein Varix: A Rare Perinatal Diagnosis”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 13, no. 11 (October 9, 2024): 3317–3319. Accessed January 31, 2026. https://www.ijrcog.org/index.php/ijrcog/article/view/14697.