D. N, Anjum M. Evaluation of primigravida in labour using modified WHO partograph: comparative study of 100 cases. Int J Reprod Contracept Obstet Gynecol [Internet]. 2018 Jan. 23 [cited 2025 Oct. 2];7(2):470-5. Available from: https://www.ijrcog.org/index.php/ijrcog/article/view/4267