Le, V. T., T. N. A. Duong, X. T. Tran, and V. M. Nguyen. “The Effect of Two Dose Phenylephrin for Preventing Hypotension During Spinal Anesthesia for Cesarean Delivery”. Hue Journal of Medicine and Pharmacy, vol. 13, no. 1, Mar. 2023, pp. 14-21, doi:10.34071/jmp.2023.1.2.