Astudy oh Hpylori in patients with and without chronic liver diseases Venoocclusive procedures for control of bleeding oesophageal varices Study of immunoglobulin M antibodies to hepatitis c-virus infection Diagnostic and prognostic values of some Biochemical markers in meningitic CSF. Evaluation of response to to HBV vaccine: Association with HLA Genotyping and immunological effects in Egyptians. Intestinal parasites among food handeler in Quolubia Govern ate with references to the pathogenic parasite Blastocytosis huminis . Endoscopic and histopathogenic appearance of Gastric mucosa in patients with chronic liver diseases.. Phase II : Effect of Nitozoxanide on the treatmentof common human helminthic and protozoal infections . Alpha interferon in chronic viral hepatitis A controlled study . Bacteriological changes after fibrooptic colonoscopy in patients with intestinal Schistosomiasis . H. pylory evaluation of diagnostic techniques and study of disease assotiation. Soluble adhesion molecules : new insights into the histopathological changes in the chronic HCV infection A study of the correlation between urinary neopptrin and knoels histological activity index in chronic hepatitis C virus infection Bancroftian filariasis among children with inguinal lymphadenopathy in Kalubia government The prevalence of cryptosporidium in patients with diarrhea using Merifluor direct immunofluorescent techniques Study of lipid peroxidases in some liver diseases Significance of serum lipid peroxides total and lipid – bound sialic acid as marker for liver diseases A comparitive study of deferent procedures for the diagnosis of tuberculous ascitis Molecular fingerprint of salmonella typhi using APCR generated probe for IS 200as an epidemiological marker. Utility of chest CT imaging in diagnosis of pathological changes associating bilharzial cor pulmonare A population based study of H pylori in Egypt Evaluation of oncogenes Bcl-2AND tgf-alpha in chronic hepatitis C patients in relationship to heppatocellular carcinoma