“Seroprevalence and Productivity Effects of Infection With Bovine Leukemia Virus, Mycobacterium Avium Subspecies Paratuberculosis, and Neospora Caninum in Maritime Canadian Dairy Cattle”. The Bovine Practitioner, vol. 36, no. 2, June 2002, pp. 86-91, https://doi.org/10.21423/bovine-vol36no2p86-91.