Florent, G., Delgoffe, JC., & Zygraich, N. (1988). Detection of Antibodies To Bovine Leukemia-virus in Bovine-milk Samples With An Elisa Involving 2 Monoclonal-antibodies. Veterinary Microbiology, 18(1), 89-93. https://doi.org/10.1016/0378-1135(88)90118-6 (Original work published 1988)