Wan Nor Azlen Wan Mohamad, Normah Che Din, and Norlinah Ibrahim. “Cognitive Profiles in Parkinson’s Disease and Their Correlation With Dementia, Anxiety and Depression: A Preliminary Study”. Malaysian Journal of Medical Sciences 22, no. Supp. 1 (December 31, 2015): 29–35. Accessed November 11, 2026. https://ejournal.usm.my/mjms/article/view/mjms_vol22-s1-2015_5.