Balameenakshi, and G. Yuvabalakumaran. “Umbilical Cord Coiling Index Sonographic Evaluation in Its Relationship With Perinatal Outcome and Late Second Trimester”. International Journal of Medical Science And Diagnosis Research 6, no. 1 (February 1, 2022). Accessed July 16, 2024. https://ijmsdr.com/index.php/ijmsdr/article/view/909.