Hoff, B., A. Rognmo, G. Havre, and H. Morberg. “Seasonal Hypomagnesemia in reindeer on Kautokeino winter pasture in Finnmark County, Norway”. Rangifer, vol. 13, no. 3, Dec. 1993, pp. 133-6, doi:10.7557/2.13.3.1055.