“Role Of Intravenous Clonidine Hydrochloride In Attenuating Hemodynamic Response To Laryngoscopy, Endotracheal Intubation And Pneumoperitoneum In Patients Undergoing Elective Laparoscopic Cholecystectomy”. 2015. International Journal of Biomedical and Advance Research 6 (9): 665-72. https://doi.org/10.7439/ijbar.v6i9.2520.