Soppela, Päivi, Raija Sormunen, and Mauri Nieminen. “Anatomy of Brown Adipose Tissue in Neonate Reindeer”. Rangifer 6, no. 1-App (June 1, 1986): 116. Accessed September 24, 2021. https://septentrio.uit.no/index.php/rangifer/article/view/631.