EFFICACY OF BILATERAL ULTRASOUND GUIDED ERECTOR SPINAE PLANE BLOCK ON POSTOPERATIVE PAIN IN LUMBAR SPINE SURGERIES; A DOUBLE-BLIND RANDOMISED PLACEBO CONTROL TRIAL (Dr Sourav Kumar Sahoo, Dr Nupur Karan, Dr Pulak Priyadarshi Padhi, Dr Manoja kumar Muni , Trans.). (2025). Cuestiones De Fisioterapia, 54(2), 1026-1041. https://cuestionesdefisioterapia.com/index.php/es/article/view/815