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Pakistan Journal of Biological Sciences 6 ( 13 ): 1130 - 1138 , 2003
Ugur Bal and Kazim Abak
Pakistan Journal of Biological Sciences 6 ( 8 ): 745 - 749 , 2003
Ugur Bal and Kazim Abak
Pakistan Journal of Biological Sciences 6 ( 8 ): 750 - 755 , 2003