Elwakil, M., J. Tharwat, D. Abbas, M. Elwaseef, and S. Elgendy. “Comparative Study Between Ultrasound-Guided Quadratus Lumborum Block Type 2 Versus Lumbar Epidural Analgesia As a Perioperative Analgesic Technique for Pelvic Cancer Surgeries”. Open Access Macedonian Journal of Medical Sciences, vol. 10, no. B, Aug. 2022, pp. 2016-22, doi:10.3889/oamjms.2022.10416.