1. [3] Mammerickx M, Dekegel D : Presence of Trypanosoma theileri in herds with a high incidence of enzootic bovine leukosis, Ann Soc Belg Med Trop, 56,47-53 (1976)
2. [5] Geysen D, Delespaux V, Geerts S : PCR-RFLP using Ssu-rDNA amplification as an easy method for specific diagnosis of Trypanosoma species in cattle, Vet Parasitol, 110, 171-180 (2003)
3. [7] Fechner H, Blankenstein P, Looma AC, Elwert J, Geue L, Albrecht C, Kurg A, Beier D, Marquardt O, Ebner D : Provirus variants of the bovine leukemia virus and their relation to the serological status of naturally infected cattle, Virology, 237, 261-269 (1997)
4. [10] Ishihara K, Ohtani T, Kitagawa H, Onuma M : Clinical studies on bovine leukemia in Japanese black cattle. Ⅲ. Serum lactate dehydrogenase activity and its isoenzyme pattern in groups of leukemic cattle and those negative or positive for antibody against bovine leukemia virus, Jpn J Vet Sci, 42, 289-295 (1980)
5. [11] Utsuyama M, Albright JW, Holmes KL, Hirokawa K, Albright JF : Changes in the subsets of CD4＋T cells in Trypanosoma musculi infection : delay of immunological cure in young mice and the weak ability of aged mice to control the infection, Int Immunol, 6, 1107-1115 (1994)