Epidemic multiple drug resistant Salmonella Typhimurium causing invasive disease in sub-Saharan Africa have a distinct genotype. - Kingsley, R; Msefula, C; Thomson, N; Kariuki, S; Holt, K; Gordon, M; Harris, D; Clarke, L; Whitehead, S; Sangal, V; Marsh, K; Achtman, M; et al. (Genome research, 2009)