Dayal, Sheetal, and Achleshwar Dayal. “Outcome of Labour in Nullipara at Term With Unengaged Vertex”. International Journal of Medical Research and Review 2, no. 2 (April 30, 2014): 130-134. Accessed May 9, 2025. https://www.ijmrr.medresearch.in/index.php/ijmrr/article/view/74.