Emergency Cesarean Section in a Parturient with Ruptured Sinus of Valsalva under Spinal Anesthesia: A Case Report. Acta Med Philipp [Internet]. 2024 May 23 [cited 2025 Apr. 18];58(9). Available from: https://actamedicaphilippina.upm.edu.ph/index.php/acta/article/view/8746