Nikander, Sven. “Origin, Morphology, Histochemistry and Function of the Mucosal Mast Cell and the Globule Leukocyte. A Review”. Rangifer 11, no. 1 (October 1, 1991): 3–11. Accessed January 31, 2023. https://septentrio.uit.no/index.php/rangifer/article/view/958.