1. An Estimate of the Prevalence of Dementia in Idiopathic Parkinson's Disease Mayeux, Richard Paul; Stern, Yaakov; Rosenstein, Ruth; Marder, Karen; Hauser, Allan; Cote, Lucien J.; Fahn, Stanley 1988 Articles NeurologyParkinson's disease--PatientsDementiaEpidemiology
2. A Population-Based Investigation of Parkinson's Disease with and without Dementia: Relationship to Age and Gender Mayeux, Richard Paul; Denaro, Jean; Hemenegildo, Nancy; Marder, Karen; Tang, Mingxin; Cote, Lucien J.; Stern, Yaakov 1992 Articles NeurologyDementiaParkinson's diseaseEpidemiology