Gulisano, M., T. Punzi, G. Morucci, and M. Ruggiero. “Effects of Cadmium and Vitamin D Binding Protein-Derived Macrophage Activating Factor (DBP-MAF) in Human Breast Cancer Cells”. Italian Journal of Anatomy and Embryology, vol. 116, no. 2, Nov. 2011, p. 91, https://oajournals.fupress.net/index.php/ijae/article/view/4665.