McKeith IG, Ballard CG, Perry RH, et al. Prospective validation of consensus criteria for the diagnosis of dementia with Lewy bodies. Neurology2000; 54: 1050–1058.
2.
Hanks GWC, Cherny N. Opioid analgesic therapy. In Doyle D, Hanks GWC, MacDonald N eds. Oxford textbook of palliative medicine, second edition. Oxford: Oxford Univ. Press, 1998: 331–355.
3.
Fountain A. Visual hallucinations: a prevalence study among hospice inpatients. Palliat Med2001; 15: 19–25.
4.
Ballard CG, O'Brien JT, Coope B, Wilcock G. Psychotic symptoms in dementia and the rate of cognitive decline. J Am Geriatr Soc1997; 45: 1031–1032.
5.
Fenelon G, Mahieux F, Huon R, Ziegler M. Hallucinations in Parkinson's disease: prevalence, phenomenology and risks factors. Brain2000; 123 (Pt 4): 733–745.
6.
Teunisse RJ, Cruysberg JR, Hoefnagels WH, Verbeek AL, Zitman FG. Visual hallucinations in psychologically normal people: Charles Bonnet'ssyndrome. Lancet1996; 347: 794–797.