Thepsuwan J, Chittacharoen A. Umbilical Cord Prolapse and Perinatal Outcomes. Thai J Obstet Gynaecol [internet]. 2012 May 23 [cited 2026 Sep. 11];17(3):150-4. available from: https://he02.tci-thaijo.org/index.php/tjog/article/view/1616