Role of platelet aggregation in the pathogenesis of hypertention in adult-onset diabetic patients with reference to plasma renin activity. Studies of rhuematic fever and cross-reactions between streptococci and human antigens. School of Medicine, University of New Mexico, USA. Nitric oxide and microcirculation. Comparative study of the effect of haemodialysis and ultrafiltration on serum electrolysis and blood gases in patients with end stage renal failure. Benha Medical Journal. Vol.7, No. 3, Detection of gastric epithelium in the duddenum in patients with duddenal ulcer. Journal of Tropical Medicine, Vol.1, No. 2, Atrial natriuretic peptide(ANP) in hemodialysis: effect of dialysate sodium concentration and duration of dialysis. Scientific Medical Journal, Coronary arteriography in diabetic and non-diabetic patients with ischemic heart disease. The New Egyptian Journal Of Medicine, Vol.5, No.10, Lipoprotein and apoliprotein patterns in offsprinegs of myocardial infartion patients. Zagazig Medical Journal, Vol.4, No. 4, . Study of serum c-reactive protein concentration in acute myocardial ischemia. The New Egyptian Journal Of Medicine, Vol.6, No.5 . Serum angiotensin converting enzyme activity in children with diabetes mellitus. The New Egyptian Journal Of Medicine, Vol.6, No.6 . Lipoprotein pattern with chronic haemodialysis. The Medical Journal Of Cairo University.Accepted for puplication Serum prealbumin concentrations in acute and chronic liver diseases. The New Egyptian Journal Of Medicine, Vol.6, No.6. Serum and urinary ß2-micrglobulin in patients with rheumatoid arthritis. The New Egyptian Journal Of Medicine, Vol.7, No.1. Study of some factors affecting stem cell proliferation in bone marrow in chronic renal failure. Benha Medical Journal, Vol.9, No.3. Study of serum immunoglobulin concentrations and other analytical variables in different types of diabetes mellitus. Mansoura Medical Journal. A study of the humoral immunity and HLA tissue typing in different clinical forms of amoebiasis. Journal of Tropical Medicine, Vol.2, No. 3. Electrocardiographic and some electrolyte changes in diabetic patients with autonomic neuropathy. Benha Medical Journal, Vol.10, No.1. Premature ventricular complex morphology a marker for left ventricular structure and function. Benha Medical Journal, Vol.10, No.1. Serum osteocalcin as a marker of bone dynamics in the elderly. The New Egyptian Journal Of Medicine, Vol.8, No.2. Plasma fibronectin in type Ι and type Π diabetic patients and its relation to diabetic macro and microangiopathy. The New Egyptian Journal Of Medicine, Vol.8, No.5. Left ventriculography in diabetic and nondiabetic patients with ischemic heart disease. European medical Journal, Vol.10, No.7. Predictive value of urinary Throboxone A2 metabolites in early diagosis of acute myocardial infarction. Tanta Medical Journal, Vol.25, No.1. Circulating levels of endothelin-1 in portal hypertention. Menofiya Medical Journal, Vol.10, No.1. Clinical and laboratory significance of cytokines in juvenile rheumatoid artheritis. Risk factors for rebleeding after endoscopic injection of bleeding peptic ulcer. The New Egyptian Journal Of Medicine, Vol.18, No.5. Importance of serum anticardiolipin antibody levels in coronary heart disease. Tanta Medical Journal, Vol.26, No.1. Evaluation of thyroid binding globulin as a tumor marker in hepatocellular carcinoma in comparison with alpha-fetoprotein. Tanta Medical Journal, Vol.26, No.1. Effect of hemodialysis on tumor necrosis factor alpha, circulating adhesion molecules ICAM-1 and VCAM-1 in chroic renal failure.