S.A. Sidaros, S.A. El-Kewey, Hala. A. Amin, Eman. A.H. Khatab, A.A. Emeran, S.A. El-Khalik and M.A.S. El-Kady
International Journal of Virology 5 ( 2 ): 109 - 118 , 2009