Bown, K, Lambin, X, Telford, GR, Ogden, NH, Telfer, S, Woldehiwet, Z, Birtles, RJ, "Relative importance of Ixodes ricinus and Ixodes trianguliceps as vectors for Anaplasma phagocytophilum and Babesia microti in field vole (Microtus agrestis) populations", Applied and Environmental Microbiology, 2008