Nilssen, A.C. et al. 2002. Failure of two consecutive annual treatments with ivermectin to eradicate the reindeer parasites (Hypoderma tarandi, Cephenemyia trompe and Linguatula arctica) from an island in northern Norway. Rangifer. 22, 2 (Mar. 2002), 115–122. DOI:https://doi.org/10.7557/2.22.2.1530.