TY - BOOK AU - Bhatia Parmeet AU - Dr T. V. S. P. Murthy Gu. AU - University of Delhi. Faculty of Medical Sciences. Department of Anaesthesia ED - University of Delhi. Faculty of Medical Sciences. Department of Anaesthesia TI - Comparative study between butorphanol and conventional opioids in patients undergoing spinal surgeries using balanced anaesthesia technique PY - 2006/// KW - ANESTHETICS ER -