Ropstad, Erik, and Dag Lenvik. “The Use of Cloprostenol and Prostaglandin F2alpha to Induce Luteolysis in Reindeer Calves (Rangifer Tarandus)”. Rangifer 11, no. 1 (October 1, 1991): 13–16. Accessed September 2, 2026. https://septentrio.uit.no/index.php/rangifer/article/view/968.