Simarro P.P., Cecchi G., Franco J.R., Paone M., Diarra A., Ruiz-Postigo J.A., Fèvre E.M., Mattioli R.C., Jannin J.G. Estimating and Mapping the Population at Risk of Sleeping Sickness (англ.) // PLOS Neglected Tropical Diseases[англ.] : journal. — 2012. — Vol. 6, no. 10. — P. e1859. — doi:10.1371/journal.pntd.0001859.
Lozano, R. Global and regional mortality from 235 causes of death for 20 age groups in 1990 and 2010: a systematic analysis for the Global Burden of Disease Study 2010. (англ.) // The Lancet : journal. — Elsevier, 2012. — 15 December (vol. 380, no. 9859). — P. 2095—2128. — doi:10.1016/S0140-6736(12)61728-0. — PMID23245604.
Kennedy, P.G. Clinical features, diagnosis, and treatment of human African trypanosomiasis (sleeping sickness). (англ.) // The Lancet : journal. — Elsevier, 2013. — February (vol. 12, no. 2). — P. 186—194. — PMID23260189.
Lozano, R. Global and regional mortality from 235 causes of death for 20 age groups in 1990 and 2010: a systematic analysis for the Global Burden of Disease Study 2010. (англ.) // The Lancet : journal. — Elsevier, 2012. — 15 December (vol. 380, no. 9859). — P. 2095—2128. — doi:10.1016/S0140-6736(12)61728-0. — PMID23245604.