The relative risk of spatial cluster occurrence and spatiotemporal evolution of meningococcal disease in Niger, 2002-2008. Geospatial Health, [S. l.], v. 5, n. 1, p. 93–101, 2010. DOI: 10.4081/gh.2010.190. Disponível em: https://www.geospatialhealth.net/gh/article/view/190. Acesso em: 3 jul. 2025.