Pelić, Miloš, Biljana Božić, Marko Pajić, Ivana Vučićević, Milena Samojlović, and Vladimir Polaček. “MALIGNANT TUMOURS IN LABRADOR RETRIEVERS USED FOR NARCOTIC DETECTION”. Archives of Veterinary Medicine 9, no. 1 (November 17, 2016): 93–101. Accessed December 7, 2021. https://niv.ns.ac.rs/e-avm/index.php/e-avm/article/view/99.