C. P. . Onyeoji, N. Q. Okojie, and C. O. . Imarengiaye, “Single Shot Spinal Analgesia for Labour: Bupivacaine- Pethidine versusBupivacaine-Fentanyl for Multiparous women”, NJA, vol. 1, no. 1, pp. 7–14, Nov. 2024, doi: 10.60787/nja.vol1no1.5.