Rajkumar, Suresh, Senthil M, and V Ezhilrajan. “The Efficacy of Intravenous Clonidine Premedication to Reduce Surgical Area Bleeding in Posterior Lumbar Spine Fusion Surgery”. International Journal of Medical Research and Review 4, no. 3 (March 31, 2016): 361-367. Accessed November 22, 2024. https://ijmrr.medresearch.in/index.php/ijmrr/article/view/485.