Kamisli, O., N. Pala Acikgoz, S. Altinayar, and C. Ozcan. “Behçet Disease and Parkinsonism”. Annals of Medical Research, vol. 14, no. 4, May 2021, pp. 0267-9, http://www.annalsmedres.org/index.php/aomr/article/view/3193.