LATHIKA G; DR. RAJARAM M; ELAKKIYA.G; PERIASAMY, P. . A comparative study of spinal bupivacaine with fentanyl versus ultrasound-guided combined lumbar plexus and sciatic nerve block in lower limb orthopedic procedures: A prospective randomized controlled trial. Student’s Journal of Health Research Africa, Africa, v. 6, n. 6, p. 9, 2025. DOI: 10.51168/sjhrafrica.v6i6.1974. Disponível em: https://sjhresearchafrica.org/index.php/public-html/article/view/1974. Acesso em: 26 sep. 2025.