Rai, Chanda, Latha V. Kharka, Sudip Dutta, and Nishant Kumar. “A Retrospective Analysis of the Risk Factors Leading to Perinatal Mortality at a Tertiary Care Hospital of Sikkim, India”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 7, no. 6 (May 26, 2018): 2295–2298. Accessed October 14, 2025. https://www.ijrcog.org/index.php/ijrcog/article/view/4758.