Vivacqua, Giorgio, et al. “Spinal Cord Pathology During Chronic Exposure to MPTP in Mice: New Anatomical Pathways Explaining Motor Behavior in Parkinsonism”. Italian Journal of Anatomy and Embryology, vol. 117, no. 2, Feb. 2013, p. 200, https://oajournals.fupress.net/index.php/ijae/article/view/4386.