Mahmoud OA, Ghazal AA, Metwally Del S, Elnour AM, Yousif GE. J Egypt Public Health Assoc. 2013 Abr;88(1):14-8. doi: 10.1097/01.EPX. 0000427065.73965.c8.
aDepartment of Microbiology Medical Research Institute, University of Alexandria, Alexandria, Egipto bDepartment of Haematology, Faculty of Medicine, University of Elimam Elmahdi, Kosti cMedical Laboratory Science, University of Khartoum, Khartoum, Sudão.