Pourfathi, Hojjat, Haleh Farzin, Hanie Sakha, Mohamad Mahdi al Miski, and Nabiha Aldarir. “Evaluation of Maternal and Fetal Hemodynamic Alterations in Delivery in Epidural and Combined Spinal-Epidural Analgesia: A Randomized Clinical Trial”. Annals of Anesthesiology and Critical Care 4, no. 1 (August 4, 2019): 1-6. Accessed August 16, 2022. https://journals.sbmu.ac.ir/index.php/anescc/article/view/33468.