Branca, Jacopo J.V., et al. “Zinc Protection in Cadmium-Induced Blood Brain Barrier Permeability: A Metabolic and Morphological in Vitro Study”. Italian Journal of Anatomy and Embryology, vol. 122, no. 1, Oct. 2017, p. 33, https://oajournals.fupress.net/index.php/ijae/article/view/1755.