Sen M, Samal S, Datta S, George M. Abnormal cardiotocographic findings and perinatal outcome: a prospective study. Int J Reprod Contracept Obstet Gynecol [Internet]. 2019 Oct. 23 [cited 2025 Oct. 27];8(11):4261-70. Available from: https://www.ijrcog.org/index.php/ijrcog/article/view/4452