Malla, U., Murray, N., Vlok, R., Melhuish, T., Basson, W. and White, L. (2018) “Transversus Abdominis Plane Block versus Quadratus Lumborum Block for Postoperative Pain in Abdominal Surgery: A Systematic Review and Meta-analysis”, Archives of Anesthesiology and Critical Care, 4(4), pp. 542-546. Available at: http://aacc.tums.ac.ir/index.php/aacc/article/view/191 (Accessed: 17December2018).