FRÖLICH, K. Viral diseases of northern ungulates. Rangifer, Tromsø, Norway, v. 20, n. 2-3, p. 83–97, 2000. DOI: 10.7557/2.20.2-3.1505. Disponível em: https://septentrio.uit.no/index.php/rangifer/article/view/1505. Acesso em: 7 may. 2026.