“The Relationship Between Abdominal Circumference-to-Hip Ratio and Ephedrine Requirement in Spinal Anesthesia for Elective Cesarean: A Prospective Observational Study”. Annals of Medical Research 30, no. 4 (April 28, 2023): 468–473. Accessed April 8, 2025. http://annalsmedres.org/index.php/aomr/article/view/4416.