K. Siri Bhavani, Kiran Kumar Suggala, and Degutla Karthik Chary. “Comparison of Intravenous Esmolol and Oral Clonidine for Attenuation of Stress Response to Laryngoscopy and Intubation in Patients Undergoing Surgery under General Anesthesia: A Randomized Clinical Study”. International Journal of Health and Clinical Research 5, no. 3 (January 18, 2022): 201–208. Accessed April 15, 2024. https://ijhcr.com/index.php/ijhcr/article/view/4347.