الفهرس 
Introduction and Aim of the WorkOnly 14 pages are availabe for public view
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Abstract
Human viral hepatitis refers to infections caused by different viruses , hepatitis A, hepatitis B, non-A non-B hepatitis virus and delta virus. this study was done on 130 patients who werwe divided into three groups, hepatocellular carcinoma group (50 patients), secondery hepatoma group (50 patients) and apparent healthy carriers (30 blood donors). all patients and blood donors were chosen from national cancer institute, cairo university.