Dr. Heisnam Brojeshwor Singh. Determinants of Postpartum Amenorrhoea in Rural Manipur Valley: A Cox Proportional Hazards Analysis . Journal of Computational Analysis and Applications (JoCAAA) [Internet]. 2022 Jan. 20 [cited 2026 Sep. 30];30(1):927-35. Available from: https://www.eudoxuspress.com/index.php/pub/article/view/5321