Freire Martins, I. V., B. Rauta de Avelar, M. J. Salim Pereira, and A. H. da Fonseca. “Application of a Geographical Information System Approach for Risk Analysis of Fascioliasis in Southern Espírito Santo State, Brazil”. Geospatial Health, Vol. 6, no. 3, Sept. 2012, pp. S87-S93, doi:10.4081/gh.2012.126.