CASE, Ray. Biochemical indicators of condition, nutrition and nitrogen excretion in caribou. Rangifer, Tromsø, Norway, v. 16, n. 4, p. 201–208, 1996. DOI: 10.7557/2.16.4.1243. Disponível em: https://septentrio.uit.no/index.php/rangifer/article/view/1243. Acesso em: 4 jun. 2026.