Morrison WI, Goddeeris BM, Brown WC, Baldwin CL, Teale AJ (February 1989). "Theileria parva in cattle: characterization of infected lymphocytes and the immune responses they provoke". Vet Immunol Immunopathol. 20 (3): 213–37. doi:10.1016/0165-2427(89)90003-2. PMID2497579.
Morrison WI, Goddeeris BM, Brown WC, Baldwin CL, Teale AJ (February 1989). "Theileria parva in cattle: characterization of infected lymphocytes and the immune responses they provoke". Vet Immunol Immunopathol. 20 (3): 213–37. doi:10.1016/0165-2427(89)90003-2. PMID2497579.