1. EL-Safi, S.H. , Yousif, M.A., EL-Khidir,I. , Omer,A., Abd EL-Haleem, A., Hammad,A., EL-Kadaru , Y. Clinical and epidemiological characteristics of Leishmania / HIV co-infection in the Sudan.
2. EL-Safi, S.H. , Omer,A, EL-Khidir, I. , Abd EL-Haleem, A., Hammad ,A.   , EL-Kadaru ,A.Y. Serological aspects of Leishmania / HIV co-infection in the Sudan. (Annals of Tropical Medicine and Parasitology).
3. Gad Elkarim ,H.A. , El- Safi, S.H. , Shumo, A. I. and Abdulrazig, M ^. Evaluation of circulating tumor markers (CA15-3 and CEA) in screening for breast cancer in the Sudan. (Anti-cancer research)
4. Gad Elkarim ,H.A. , El- Safi, S.H. , Shumo, A. I. and Abdulrazig, M ^. Expression of Estrogen and Progestrone receptors among Sudanese women with breast cancer : Immunohistochemical study.(Journal of Clinical Cancer Research).
5. Gad El-Kareem, H.A., EL-Safi, S.H., Shumo Al., Idris A. Abdulrazig M. Assessment of the role of cytology in diagnosis or screening of palpable breast lumps amongst Sudanese women. (Acta Cytologica).
6. Alfarazdeg A.Saad,Nuha G.Ahmed, Ahmed Almustafa Al-Basheer, Awad Hamad,Stijn Deborggraeve, Philippe Büscher, Gerard J.Schoone, Henk D. F. H. Schallig, Thierry Laurent, Ahmed Haleem, Omran F.Osman, Ahmed M.Altom, and Sayda El-Safi. Diagnosis of visceral leishmaniasis in Sudan:NASBA-OligoC and PCR-OligoC-tests ( accepted ,to be presented at the Conference of the Sudanese Association of Pathologists 7-9 April 2009).

7     .Claire M. Mugasa, Thierry Laurent, Gerard J. Schoone, Frank L. Basiye,Alfarazdeg Ageed , Sayda el Safi, Piet A. Kager, Henk DFH Schallig. Simplified Molecular Detection of Leishmania Parasites in Various Clinical  Samples from Patients with Leishmaniasis (submitted).