2026. A STUDY ON EFFICACY OF VARIABLE CONCENTRATIONS OF BUPIVACAINE IN ULTRASOUND-GUIDED ANTERIOR SCIATIC NERVE BLOCK FOR PATIENTS UNDERGOING LOWER LIMB SURGERIES. Asian Journal of Medical Research and Health Sciences. 4, 2 (Jun. 2026), 970–976. DOI:https://doi.org/10.65605/a-jmrhs.2026.v04.i02.pp970-976.