Premedication of Oral Clonidine 2mcg/kg and 4mcg/kg for Analgesic and Pressure Response During First Twenty-four Hours After Upper Abdominal Surgery: A Comparative Study. j Bangladesh Soc Anaesthesiologists [Internet]. 2022 Jul. 31 [cited 2026 Jul. 20];35(2):17-21. Available from: https://www.banglajol.info/index.php/JBSA/article/view/67888