LARTER, N. C.; NAGY, J. A. Overwinter changes in urea nitrogen:creatinine and cortisol:creatinine ratios in urine from Banks Island Peary caribou. Rangifer, [S. l.], v. 20, n. 5, p. 125–132, 2000. DOI: 10.7557/2.20.5.1637. Disponível em: https://septentrio.uit.no/index.php/rangifer/article/view/1637. Acesso em: 28 nov. 2021.