Banerjee, Ramna, and Farheen Rahman. “A Rare Case of Severe Pulmonary Hypertension in Pregnancy”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 9, no. 11 (October 27, 2020): 4707–4709. Accessed October 4, 2025. https://www.ijrcog.org/index.php/ijrcog/article/view/9346.