TY - BOOK AU - Sharma Arvinder Pal AU - Dr. P. K. Bishnoi Gu. AU - University of Delhi. Faculty of Medical Sciences. Department of Surgery ED - University of Delhi. Faculty of Medical Sciences. Department of Surgery TI - Comparative evaluation of effect of preincisional and postincisional bupivacaine field block on post operative pain relief in elective open cholecystectomy PY - 2001/// KW - SURGERY ER -