The effect of combined tsetse and strategic helminth control on trypanosome transmission risk in trypanocide resistance hot spots in Sikasso region, Mali - Ouma, E.M.; Diall, O.; Sanogo, Y.; Zessin, K.H.; Bauer, B.; Hinney, B.; Randolph, Thomas F.; Clausen, Peter-Henning (International Livestock Research Institute, 2009)