Tojiyeva Nigina Iskandarovna. “Rarely Encountered Umbilical Cord Pathologies (Literature Review)”. American Journal Of Biomedical Science & Pharmaceutical Innovation 5, no. 08 (August 15, 2025): 13–16. Accessed October 8, 2025. https://theusajournals.com/index.php/ajbspi/article/view/6685.