by Marei, E M, El-Afifi, S I, Othman, B A
Published in Journal of virology research (Online) (01.01.2014)

by ., Sohair I. El-Afifi, ., Ali M. El-Borollosy, ., Sabry Y.M. Mahmoud
Published in International journal of virology (2010)

by El-Ahdal, A.M.E, Mayer, F, El Afifi, S.I, Allam, E.K
Published in Zeitschrift fur allgemeine Mikrobiologie (1984)