Zafar, Ayman, et al. “THE EFFECT OF HIGH DOSE AND LOW DOSE PREGABALIN AS PREMEDICATION ON PREOPERATIVE ANXIETY AND SEDATION LEVELS”. Pakistan Armed Forces Medical Journal, vol. 71, no. 5, Oct. 2021, pp. 1759-63, https://doi.org/10.51253/pafmj.v71i5.3999.