Nordkvist, M., C. Rehbinder, S. C. Mukherjee, and K. Erne. 1984. “Pathology of Acute and Subchronic Nitrate Poisening in Reindeer (Rangifer Tarandus L)”. Rangifer 4 (1):9-15. https://doi.org/10.7557/2.4.1.486.