GökM. A., KafadarM. T., and YeğenS. F. “Effects of Preoperative Oral Carbohydrate Loading on Preoperative and Postoperative Comfort in Patients Planned to Undergo Elective Cholecystectomy: A Prospective Randomized Controlled Clinical Trial”. Iranian Red Crescent Medical Journal, Vol. 22, no. 11, Nov. 2020, doi:10.32592/ircmj.2020.22.11.107.