Malla, M. S. .; Ashraf, S.; Najib, R. .; Hakeem, A. . Ultrasound-Guided Quadratus Lumborum Block Verses Transversus Abdominis Plane Block for Post-Operative Analgesia in Patients Undergoing Total Abdominal Hysterectomy: A Prospective Observational Study. Asian J Med Sci 2021, 12, 119-124.