TY - BOOK AU - Verma Sumit AU - Verma P K Gu. AU - University of Delhi. Faculty of Medical Sciences. Department of Anaesthesiology ED - University of Delhi. Faculty of Medical Sciences. Department of Anaesthesiology TI - Comparative evaluation of two doses of epidural tramadol in emergency abdominal surgery for postoperative pain relief PY - 2002/// KW - ANESTHETICS ER -