A study of serum levels of soluble FAS (CD95) and soluble FAS ligand in patients with chronic renal failure. Proceedings of XV Congress of ESLM: 53-60. A Comparison of different PCR primer sets in diagnosis of Helicobacter Pylori in gastric biopsies. . Proceeding of the xvi congress of ESLM Changes in insulin - like growth factor – I after use of NAC as an adjuvant to clomiphene citrate in PCOS women . Proceeding of the xvi congress of ESLM,march 2005, 367-378 CD95 expression in patients with heptocellular carcinoma secondary to chronic hepatitis C . . Proceeding of the xvi congress of ESLM,march 2005, 285-294 Fecal calprotectin in ulcerative colitis and irritable bowel syndrome : Evaluation of the diagnostic yeild . Tanta medical journal vol. (34) Serum E- selectin as a prognostic marker for diabetes mellitus (type II). Benha medical journal volume 21 number 3 sept. 2004 Serum growth hormone , IGF-I and IGFBP-3 in children with chronic hepatitis: Effect on the ability to thrive. Zagazig university medical journal vol.xi, NO(3) SEP.2005 Study of vascular endothelial growth factor and fibroblast growth factor-2 in rheumatoid arthritis and osteoarthritis patients. Proceeding of the xv congress of ESLM,march 2004, 69-91 Interleukin 12 and red cells antioxidants in chronic renal failure patients with HCV antibodies on regular Haemodialysis. Proceeding of the xix congress of ESLM 35-42 Plasma procalcitonin (PCT) level as a marker for postoperative sepsis inelective colonic resections. Arab journal of laboratory medicine april 2010. ( Egyptiation society of clinical chemistry ESCC ) Des-γ-carboxy prothrombin as screening marker for patients with de novo hepatocellular carcinoma. Arab journal of laboratory medicine april 2010. ( Egyptiation society of clinical chemistry ESCC ) Study of plasma adrenomedulin level in normal pregnancy and preclampsia. Medscape J med.10(2):29. Diagnostic value of P53 tumor suppressor gene as bone marrow cell cycle marker in Egyptian children with inherited anemia. 2nd European – congress of immunology september 13-16 in Berlin, Germany Plasma TARC and MDC levels in Chronic Asthmatic Patients developed Acute Exacerbation. Congress of ESLM, march 2010 Carbonyl protein plasma level in dialysis patients The predictive value of serum mannan-binding lectin levels for diabetic control and renal complications in type 2 diabetic patients