A STUDY ON EFFICACY OF VARIABLE CONCENTRATIONS OF BUPIVACAINE IN ULTRASOUND-GUIDED ANTERIOR SCIATIC NERVE BLOCK FOR PATIENTS UNDERGOING LOWER LIMB SURGERIES. A-JMRHS. 2026;4(2):970-976. Accessed July 1, 2026. https://www.ajmrhs.com/journal/article/view/532