A.H.R. Stich, C.A. Maxwell, Amar A. Haji, Daudi M. Haji, Ame Y. Machano, Juma K. Mussa, A. Matteelli, Hamadi Haji, C.F. Curtis,
Insecticide-impregnated bed nets reduce malaria transmission in rural Zanzibar Transactions of The Royal Society of Tropical Medicine and Hygiene. ,vol. 88, pp. 150- 154 ,(1994) ,
10.1016/0035-9203(94)90271-2