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Pakistan Journal of Biological Sciences 5 ( 10 ): 1010 - 1013 , 2002
M. A. Mannan, A. Begum, M.M. Rahman and M.M. Hossain
Pakistan Journal of Biological Sciences 6 ( 5 ): 488 - 492 , 2003
A. Begum, A. Ahad, M. O. Kaisar, M. M. Islam and M. K. Anam
Pakistan Journal of Biological Sciences 6 ( 22 ): 1897 - 1901 , 2003
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Pakistan Journal of Biological Sciences 6 ( 22 ): 1902 - 1906 , 2003