Chandran SS, Shivan H, Bharathi D, Samal S. Comparison of cervical characteristics assessed by TVUS (with and without saline) with digital method in prediction of labor induction outcome: a prospective study. Int J Reprod Contracept Obstet Gynecol [Internet]. 2017 Feb. 8 [cited 2026 Feb. 2];4(3):634-40. Available from: https://www.ijrcog.org/index.php/ijrcog/article/view/1968