Namasivayam, S. P., Arivazhagan, S. and Saravanakumar, S. (2017) “Comparison between ‘three in one femoral nerve block’ and psoas compartment block for post-operative pain relief following lower limb surgical procedures”, International Journal of Research in Medical Sciences, 2(1), pp. 264–269. Available at: https://www.msjonline.org/index.php/ijrms/article/view/2118 (Accessed: 9 October 2025).