) Anti-nucleosome antibodies in SLE as diagnostic tool and useful marker for lupus nephropathy: : The Egyptian Rheumatologist, Vol.35.No4,2008:P.579-595 Relation between serum levels of cartilage oligomeric matrix protein (COMP) and radiographic progression of knee osteoarthritis:The Egyptian Rheumatologist, Vol.25,No.3,2003:P.629-640 Study of vascular endothelial growth factor and fibroblast growth factor-2 in rheumatoid arthritis and osteoarthritis patients: Proceeding of the XV Annual Congress of ESLM, March,2004,69-91. CD95 experssion on peripheral lymphocytes from patients with hepatocellular carcinoma secondary to chronic hepatitis C: Proceeding of XVI Annual Congress of ESLM, March, 2005,45-69. Prevalence and clinical significant of anti-cyclic citrullinated peptide antibodies in patients with rheumatoid arthritis:The Egyptian Rheumatologist,Vol.27,No.1,2005.1-15. Cathepsin K as a marker of bone destruction in rheumatoid arthiritis:Proceeding of the XV Annual Congress of Rheumatology. Factors affecting parathyroid hormone in CRF and their relation to bone density :Acceptance in Benha Medical Journal in 1/10/2006. The value of cervical phosphorylated insulin like growth factor binding protin-1 and cervical length in predication of spontaneous preterm birth :Proceeding: The journal of Egyptian Society of Obstetric and Gynecology Vol.32 10,11&12 October ,November, December 2006 Matrix metalloproteinses 3,9 and tissue inhibitor metalloproteinase 1 in paired serum and synovial fluid samples of patients with early RA : The Egyptian Rheumatologist Vol.28 No.2,2006:P.293-314 Markers of type II collagen synthesis and degradation as a prediction of radiographic progression in knee osteoarthritis: Benha medical journal Vol.24;No.3 sept. 2007. Anti-nucleosome antibodies in SLE as a diagnostic tool and useful marker for lupus nephropathy :Egyptian Rheumatology & Rehabilitation journal;Vol.35 ;No.4; Granzymes A and B in induced Sputum From steroid Sensitive and Steroid Resistant Asthmatic Patients