1.
Shah S, Patel S, Deliwala K, Munshi D, Chudasama T. The role of foetal assessment by ultrasound at 11-13+6 weeks of gestation. Int J Reprod Contracept Obstet Gynecol [Internet]. 2023 Sep. 28 [cited 2025 Dec. 4];12(10):3076-9. Available from: https://www.ijrcog.org/index.php/ijrcog/article/view/13427