1. Ravina B, Marder K, Fernandez HH, Friedman JH, McDonald W, Murphy D, et al. Diagnostic criteria for psychosis in Parkinson’s disease: report of an NINDS, NIMH work group. Mov Disord. 2015;30:1061–8.
2. ffytche DH, Creese B, Politis M, Chaudhuri KR, Weintraub D, Ballard C, et al. The psychosis spectrum in Parkinson disease. Nat Rev Neurol. 2017;13:81–95.
3. Parkinson J. An essay on the shaking palsy. London: Sherwood, Neely, and Jones; 1817.
4. Fenelon G, Goetz CG, Karenberg A. Hallucinations in Parkinson disease in the prelevodopa era. Neurology. 2006;66:930–98.
5. Factor SA, Molho ES, Podskalny GD, Brown D. Parkinson’s disease: drug-induced psychiatric states. Adv Neurol. 1995;65:115–38.