Gupta, M., S. S. Gurjar, O. P. Suthar, and R. Karnawat. “Anesthesia for Cesarean Section in Patients With Severe Mitral Stenosis With Congestive Heart Failure”. Anaesthesia, Pain & Intensive Care, Jan. 2019, pp. 344-7, https://apicareonline.com/index.php/APIC/article/view/195.