Dr. P. Rajkumar, Dr. M. Bhaskar, Dr. S. Manojkumar, Dr. K. Murugesan. “EVALUATION OF THE EFFICACY OF BUPIVACAINE WITH CLONIDINE IN BILATERAL SUPERFICIAL CERVICAL PLEXUS BLOCK FOR THYROID SURGERY- A PROSPECTIVE OBSERVATIONAL STUDY”. International Journal of Pharmacy Research & Technology (IJPRT), vol. 15, no. 2, July 2025, pp. 225-31, https://www.ijprt.org/index.php/pub/article/view/678.