Hanaa H. Abd El-Baky, Farouk K. El Baz and Gamal S. El-Baroty
Biotechnology 2 ( 3 ): 222 - 240 , 2003
Hanaa H. Abdel-Baky, M. A. Shallan, Gamal El-Baroty and F. K. El-Baz
Pakistan Journal of Biological Sciences 5 ( 1 ): 61 - 65 , 2002