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International Journal of Tropical Medicine 3 ( 4 ): 79 - 84 , 2008
Research Journal of Medical Sciences 2 ( 6 ): 295 - 299 , 2008
Bimbola Kemi Odu and Otutu Temilola Idowu
The Social Sciences 3 ( 5 ): 380 - 383 , 2008