Gotaas G, Milne E, Haggarty P, Tyler NJ. Energy expenditure of free-living reindeer estimated by the doubly labelled water method. Ran [Internet]. 2000 Mar. 1 [cited 2024 Apr. 26];20(4):211-9. Available from: https://septentrio.uit.no/index.php/rangifer/article/view/1516