Simoonga, C., L. N. Kazembe, T. K. Kristensen, A. Olsen, C. C. Appleton, P. Mubita, and L. Mubila. “The Epidemiology and Small-Scale Spatial Heterogeneity of Urinary Schistosomiasis in Lusaka Province, Zambia”. Geospatial Health, Vol. 3, no. 1, Nov. 2008, pp. 57-67, doi:10.4081/gh.2008.232.