TY - BOOK AU - Saxena Sandeep AU - Dr R S Saxena Supervisor AU - University of Delhi. Faculty of Medical Sciences. Department of Anaesthesiology ED - University of Delhi. Faculty of Medical Sciences. Department of Anaesthesiology TI - Evaluation of the efficacy of extradural morphine bupivacaine and their combination for providing post operative analgesia and preventing lung complications in patients undergoing upper abdominal surgery : Comparison with conventional intramuscular narcot PY - 1988/// KW - ANESTHETICS ER -