The Effect of Metabolic acidosis on Nutritional status and Adequacy of Dialysis in Pediatric Patients on Regular Haemodialysis Oxidative Stress Markers in Children with Chronic Renal Failure. Persistence of Anti- HBS Antibodies in Healthy Egyptian Children and Response to Booster Dose of Hepatitis vaccine Study of Neurometabolic Disorders in Egyptian Children Acute Respiratory Syncytial Virus Bronchiolitis Induced Th2/Th1 Imbalance Towards Initiation of Allergic Response Vascular Endothelial Growth Factor in Preterm infants with Respiratory Distress Syndrome Umbilical Cord Procalcitonin as an early predictor of Early-Onset Neonatal sepsis in premature Neonates: A Comparative study versus C- Reactive Protein . Proton Magnetic Resonance Spectroscopy in Pediatric Neuro-degenerative Diseases. clinical significance of serum procalcitonin levels in children with spontaneous bacterial peritonitis Magnetic resonance imaging of the brain in the diagnostic evaluation of microcephaly. Study of convulsive status epilepticus in pediatric intensive care unit. Clinical Significance of Serum Procalcitonin Levels in Children with spontaneous Bacterial Peritonitis.