Stéen, Margareta, and Carina Johansson. “Elaphostrongylus spp. from Scandinavian cervidae - a scanning electron microscope study (SEM)”. Rangifer 10, no. 1 (August 1, 1990): 39–46. Accessed December 4, 2024. https://septentrio.uit.no/index.php/rangifer/article/view/789.