S. GUPTA, S. AGARWAL, and G. GOYAL, “COMPARISON OF EPIDURAL VOLUME EXTENSION USING 2% LIGNOCAINE WITH STANDARD EPIDURAL VOLUME EXTENSION TECHNIQUE FOR HYSTERECTOMY UNDER COMBINED SPINAL EPIDURAL ANESTHESIA”, Asian J Pharm Clin Res, vol. 17, no. 2, pp. 122–125, Feb. 2024.