1) WHO, Control and surveillance of African trypanosomiasis., in WHO Technical Report Series No. 881. World Health Organization : Geneva, 1998.
2) Btischer, P. and V. Lejon, Diagnosis of human African trypanosomiasis, in The Trypanosomiases, I. Maudlin, P.H. Holmes, and M.A. Miles, Editors. CABI Publishing : Cambridge. p. pp. 203-218, 2004.
3) Donelson, J.E., Antigenic variation and the African trypanosome genome. Acta Trop, 85 (3) : 391-404, 2003.