Felix-Val K. Titty, W.K. B.A. Owiredu and M. T. Agyei-Frempong
Journal of Biological Sciences 8 ( 6 ): 1057 - 1061 , 2008
L. Ahenkorah, W.K. B.A. Owiredu, E. F. Laing, N. Amidu and C. A. Turpin
Journal of Medical Sciences 8 ( 8 ): 691 - 698 , 2008