IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-10-4-34602 Original Research Paper Comparison of lignocaine and ketamine pretreatment in reducing pain of propofol injection. A Double-blind, Prospective, and Randomized Study. Suman Singh Dr. Dr Isha Chopra Dr. April 2021 10 4 01 02 ABSTRACT