Md Rosli, N. H. ., A. H. . Abdul Rahman, and . N. . Mohamed Ibrahim. “Prevalence, Clinical Features and Factors Associated With Psychosis Among Idiopathic Parkinson’s Disease (IPD) Patients in Universiti Kebangsaan Malaysia Medical Centre (UKMMC)”. IIUM Medical Journal Malaysia, vol. 15, no. 1, June 2016, doi:10.31436/imjm.v15i1.1389.