Tick infestations affect populations of peripheral blood lymphocytes according to the genetic composition of the bovine host and to the development stage of the parasite - Moré, Daniela Dantas; Miranda-Santos, Isabel K. F.; Franzin, Alessandra Mara; Carvalho, W A; Maia, Antônio Augusto Mendes; Silva, João Santana da; Storset, A. K.; Jutila, M. A.; Ferreira, Beatriz Rossetti (International Congress of Immunology, 2007)