Malik E.M., Ahmed E.S., El Khalifa S.M., Hussein M.A. and Sulieman A.M.N.
Eastern Mediterranean Health Journal 9 ( 4 ): 559 - 569 , 2003
El Khalifa S.M., Mustafan I.O., Wais M. and Malik E.M.
Eastern Mediterranean Health Journal 14 ( 1 ): 206 - 215 , 2008
Malik E.M., El Tahir H.G. and Ahmed E.S.
Eastern Mediterranean Health Journal 11 ( 4 ): 753 - 761 , 2005
Mannan A.A., Malik E.M. and Ali K.M.
Eastern Mediterranean Health Journal 15 ( 1 ): 122 - 128 , 2009