O. Lasisi, O. Eyarefe, and J. Adejinmi, “Anaemia and Mortality in Calves Caused by the Short-Nosed Sucking Louse (<i>Haematopinus eurysternus</i>) (Nitzsch) in Ibadan”, Nig. Vet. J., vol. 31, no. 4, Aug. 2011.