1.
Hefila NM, Elfazari HA. Transvaginal ultrasound for cervical assessment versus digital vaginal examination during active phase of labour. Int J Reprod Contracept Obstet Gynecol [Internet]. 2021 Jun. 28 [cited 2025 Oct. 2];10(7):2547-52. Available from: https://www.ijrcog.org/index.php/ijrcog/article/view/10325