Gür, Sibel. “Prevalence of Bovine Viral Diarrhoea, Bovine Herpesvirus Type 1 and 4 Infections in Repeat Breeding Cows in Western Turkey”. Brazilian Journal of Veterinary Research and Animal Science, vol. 48, no. 3, June 2011, pp. 228-33, https://doi.org/10.11606/S1413-95962011000300007.