Fatal cases of Theileria annulata infection in calves in Portugal associated with neoplastic-like lymphoid cell proliferation - Branco, Sandra; Orvalho, João; Leitão, Alexandre; Pereira, Isadora; Malta, Manuel; Mariano, Isabel; Carvalho, Tânia; Baptista, Rui; Shiels, Brian R.; Peleteiro, Maria C. (2010)