Quantitative analysis of dose-response effects in the transmission dynamics of Theileria parva and the impact of sporozoite-neutralising vaccines - O'Callaghan, C.J.; Medley, G.F.; Kiara, Henry K.; McDermott, John J.; Musoke, A.J.; Morzaria, S.P.; Perry, Brian D. (International Symposia for Veterinary Epidemiology and Economics, 2003)