Can Pediatric Risk of Mortality Score (PRISM III) Be Used Effectively in Initial Evaluation and Follow-up of Critically Ill Cancer Patients Admitted to Pediatric Oncology Intensive Care Unit (POICU)? A Prospective Study, in a Tertiary Cancer Center in Egypt - Sayed, Heba A.; Ali, Amany M.; Elzembely, Mahmoud M. (J Pediatr Hematol Oncol, 2018)