Samuel Fosu Gyasi, Esi Awuah, John Asiedu Larbi and George Asumeng Koffuor
Asian Journal of Biological Sciences 5 ( 2 ): 66 - 75 , 2012
George Asumeng Koffuor, Alex Boye, Patrick Amoateng, Elvis O. Ameyaw and Alfred K. Abaitey
Research Journal of Pharmacology 6 ( 1 ): 12 - 19 , 2012