Increased Serum Inhibin B and Free Testosterone Levels May Reflect Improvement in the Seminogram After Varicocelectomy (ESLM, March, 2006, 89-96) Matrix Metalloproteinases 3, 9 and Tissue Inhibitor Metalloproteinase-1 in Paired Serum and Synovial Fluid Samples of Patients with Early Rheumatoid Arthritis. (The Egyptian Rheumatologist,2006,Vol. 28, 397-418) Plasma Adiponectin Level in Children with Nonalcoholic Fatty Liver Disease (ESLM, 2009- in the print) Plasma Calprotectin level In Preeclampsia (ESLM, 2009 – in the Print) Plasma Procalcitonin (PCT) Estimation as A Marker for Postoperative Sepsis in Elective Colonic Resections (Zagazig University Medical Journal, – Special Issue 429-442) Study Serum Isoprostane in Neonatal Hypoxic Ischemic Encephalopathy (Zagazig University Medical Journal, i9n the print). Fibrotic Markers in Patients with Chronic Hepatitis C infection (المجلة المصرية للطب المعملي ابريل – in print). Evaluation of serum chromogranin A as a useful tumor marker for diagnosis of hepatocellular carcinoma Increased Serum Visfatin Levels in Patients with Type2 Diabetic Patients Evaluation of CD11 Expression on Surface of Peripheral Blood Neutrophils for Early Detection of Full Term Neonatal Sepsis Carbonyl protein plasma level in dialysis patients Increased Serum Apoptotic Cytokeratin-18 Fragments in Chronic Hepatitis C (CHC) patients with Normal Alanine Aminotransferase (ALT) Study of Serum Levels of Mannose Binding Lectin as a Risk Factor for Neonatal Sepsis Effect of Phototherapy On Interleukin-6 and Tumor Necrosis Factor-α Production in Full Term Newborns with Hyperbilirubinemia Soluble Receptor for Advanced Glycation End Products: a new biomarker in diagnosis of Diabetic Nephropathy Detection and putative effect of GATA4 gene variants in patients with congenital cardiac septal defects detection of urinary podocalyxin as an early marker of diabetic nephropathy ENDOTHELIAL NITRIC OXIDE SYNTHASE 4A/B POLYMORPHISM AND ITS INTERACTION WITH G894T VARIANTS IN TYPE 2 DIABETES MELLITUS : PREDICTING THE RISK OF DIABETIC NEPHROPATHY Serum levels of Chemerin and Omentin 1 in Obese Type 2 Diabetic Patients. Evaluation of Serum Autotaxin as a Novel Noninvasive Marker for Assessment of Hepatic Fibrosis in Chronic Hepatitis C Patients