Akan, M., S. Unal, S. Altinayar, and . L. Gonenir Erbay. “Evaluation of Patients With Parkinson’ S Disease in Terms of Psychiatric Diseases and Related Clinical Features”. Annals of Medical Research, vol. 29, no. 7, July 2022, pp. 733-7, https://annalsmedres.org/index.php/aomr/article/view/4227.