An updated atlas of human helminth infections: the example of East Africa. by Brooker, S, Kabatereine, N, Smith, J, Mupfasoni, D, Mwanje, M, Ndayishimiye, O, Lwambo, N, Mbotha, D, Karanja, P, Mwandawiro, C, Muchiri, E, Clements, A, Bundy, D, Snow, R