Efficacy of Ultrasono-Guided Caudal Epidural Steroid in Lumbar Disc Prolapse. Khwaja Yunus Ali Medical College Journal [Internet]. 2020 Jul. 26 [cited 2026 Jul. 1];11(2):67-72. Available from: https://www.banglajol.info/index.php/KYAMCJ/article/view/48417