“Comparison of the Effects of Epidural and Spinal Anesthesia on Analgesia and Blood Gases in Neonates Born by Natural Vaginal Delivery: A Clinical Trial Study”. Biomedical Research and Therapy, vol. 7, no. 3, Mar. 2020, pp. 3686-92, https://doi.org/10.15419/bmrat.v7i3.595.