Nafisa M. Osman
Sudan Academy of Sciences, Council of Biological Sciences, New technology and Enviroments, Tropical Medcine Program Khartoum, Sudan
Atif A. Elagib
Sudan Academy of Sciences, Council of Biological Sciences, New technology and Enviroments, Tropical Medcine Program Khartoum, Sudan
Tropical Medicine Research Institute, National Cenre for Research