Nyariki, Dickson M.; Muriuki, G. W.; Njoka, T. J.; Reid, R. S.
(Elsevier Masson, 2005-03-30)
For a long time, trypanosomosis, spread by the tsetse fly Glossina, constrained human settlement in the Lambwe Valley, a south-western Kenya rangeland. After lengthy efforts to control tsetse over many years, the valley ...