Human resistance to reinfection with Schistosmes Specific IgA titres before and three monthes after praziquantel treatment. J Egyptian Society of Parasitology Vol 24 , No 3 , P 505-512 Human resistance to reinfection with Schistosmes*Specific IgE titres before and three monthes after praziquantel treatment. Benha Medical J Vol 11. Evaluation ol Lyophilized larva antigen in serodiagnosis of Strongyloides stercoralis by ELISA in Human. Egyptian Medical Journal . Vol 7, No 9, P 503- 6 A Study on free living amoebae with some ear and nasal chronic infections. Benha Medical J Vol 11, No 1 , P 297 – 307. pplicability of ELISA on buffer-eluates of capillary blood spotted on filter papers for diagnosis of human Fascioliasis . Benha Medical J Vol 16 No 2 P 423 – 434. Benha Medical J Vol 16 No 3 P 581 – 588. Prevalence of Toxoplasma infection in Qualubia governorate , Egypt. J Egypt Soc Parasitol Vol 31 No 2 355 – 363. Interleukin -12 in toxoplasmosis cases. (in Press) Accepted by Egyptian Journal of Medical Science