Tryland, Morten, Andrea Balboni, Siw Turid Killengreen, Torill Mørk, Ole Nielsen, Nigel Gilles Yoccoz, Rolf Anker Ims, and Eva Fuglei. “A Screening for Canine Distemper Virus, Canine Adenovirus and Carnivore Protoparvoviruses in Arctic Foxes (<em>Vulpes lagopus</em>) and Red Foxes (<em>Vulpes vulpes</Em&gt;) from Arctic and Sub-Arctic Regions of Norway”. Polar Research 370 (October 26, 2018). Accessed July 3, 2020.