A. U. Qureshi, A. S. Ali, and T. M. Ahmad, “COMPARISON OF THREE PROGNOSTIC SCORES (PRISM, PELOD AND PIM 2) AT PEDIATRIC INTENSIVE CARE UNIT UNDER PAKISTANI CIRCUMSTANCES”, J Ayub Med Coll Abbottabad, vol. 19, no. 2, pp. 49–53, Jun. 2007.