F. Djieyep-Djemna, I. H. Nock, T. O. L. Aken’Ova, E. Kogi, and N. A. C. Djieyep, “In vitro activity of selected ruminant sera on Trypanosoma congolense Broden, 1894”, NJP, vol. 40, no. 2, pp. 309–313, Sep. 2019.