Amrata Asthana; JP Tiwari; DK Tripathi; Bhaskar Prasad. Comparative Evaluation of 0.75% Ropivacaine With Ropivacaine 0.75% and Clonidine in Combined Sciatic Femoral Nerve Block for Orthopedic Leg Surgeries. AAN 2020, 5, 195-98.