“Comparative Effects of Oral Clonidine and Pregabalin Premedication on Postoperative Recovery After Laparoscopic Cholecystectomy: A Randomized Double-Blind Study”. Global Journal of Medical and Pharmaceutical Sciences, vol. 3, no. 5, Oct. 2025, pp. 07-11, http://www.globapc.com/index.php/gjmps/article/view/106.