The efficacy of intravenous clonidine premedication to reduce surgical area bleeding in posterior lumbar spine fusion surgery Journal title: International Journal of Medical Research and Review Authors: Suresh Rajkumar, Senthil M Senthil M, Ezhilrajan V Ezhilrajan V Subject(s): Medicine, Biomedicine, Microbiology, Anatomy, Anesthesiology, Internal Medicine, Otolaryngology, Obstetrics & Gynecology, Radiology, Nuclear Medicine & Medical Imaging