Genene Regassa, Desalew Mekonnen, Lawrence Yamuah, Hiwot Tilahun, Teshome Guta, Asfawesen Gebreyohannes, Abraham Aseffa, Theresia H. Abdoel and Henk L. Smits
International Journal of Tropical Medicine 4 ( 2 ): 59 - 64 , 2009