Tolu, P., Y. Asara, G. Delogu, A. Sotgiu, J. Prados, A. Montella, and R. Madeddu. “Biological Markers in CSF of Sardinian Patients With Multiple Sclerosis”. Italian Journal of Anatomy and Embryology, vol. 115, no. 1/2, Nov. 2010, p. 165, https://oajournals.fupress.net/index.php/ijae/article/view/4550.