Haugerud, Rolf Egil, and Arne C. Nilssen. “Life history of the reindeer sinus worm, Linguatula arctica (Pentastomida), a prevalent parasite in reindeer calves”. Rangifer 10, no. 3 (September 1, 1990): 333–334. Accessed June 7, 2025. https://new.eludamos.org/index.php/rangifer/article/view/875.