TY - BOOK AU - Jain Munisha AU - Dr S M L Gulati Supervisor 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 parenteral lysine acetyl salicylate with pethidine for post operative analgesia in patients undergoing upper abdominal surgery PY - 1991/// KW - ANESTHETICS ER -