Protective Immunity Against Bovine Leukaemia Virus (BLV) Induced In Carrier Sheep By Inoculation With A Vaccinia Virus-BLV ENV Recombinant: Association With Cell-Mediated ImmunityK Ohishi, Masataka Sugimoto, Toshiro Yamamoto et al.|Journal of General Virology|1991Cited by 45