Rajkumar S, M S, Ezhilrajan V. The efficacy of intravenous clonidine premedication to reduce surgical area bleeding in posterior lumbar spine fusion surgery. Int J Med Res Rev [Internet]. 2016Mar.31 [cited 2024May8];4(3):361-7. Available from: https://ijmrr.medresearch.in/index.php/ijmrr/article/view/485