Simplice D. Karou, Denise P. Ilboudo, Wendyame M.C. Nadembega, Yaovi Ameyapoh, Djeneba Ouermi, Salvatore Pignatelli, Virginio Pietra, Alfred S. Traore, Comlan de Souza and Jacques Simpore
Pakistan Journal of Biological Sciences 12 ( 9 ): 712 - 716 , 2009