Satoguina, J; Walther, B; Drakeley, C; Nwakanma, D; Oriero, EC; Correa, S; Corran, P; Conway, DJ; Walther, M; (2009) Comparison of surveillance methods applied to a situation of low malaria prevalence at rural sites in The Gambia and Guinea Bissau. Malaria journal, 8. ISSN 1475-2875 DOI: https://doi.org/10.1186/1475-2875-8-274