Anti –HCV E2 in relation to other viral hepatitis agents in haemodialysis patients. Molecular fingerprinting of salmonella typhi using IS200 Correlation of IL1, IL6 and TNF alpha in serum and synovial fluid in rheumatoid arthritis patients regarding to activity . Comparative study between PCR technique and other methods used for diagnosis of renal tuberculosis Anti –HCV E2 in relation to other viral hepatitis agents in haemodialysis patients. Recurrent acute otitis media: some risk factors