TY - BOOK AU - Bhogal Kavita AU - Dr T K Mitra 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 spontaneous ventilation and intermittent positive pressure ventilation, using pethidine and ketamine as premedicants, in patients undergoing tonsillectomy PY - 1992/// KW - ANESTHETICS ER -